pg_bigdecimal

Struct BigDecimal

pub struct BigDecimal { /* private fields */ }
Expand description

A big decimal type.

Implementations§

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impl BigDecimal

pub fn new(digits: BigInt, scale: i64) -> BigDecimal

Creates and initializes a BigDecimal.

pub fn parse_bytes(buf: &[u8], radix: u32) -> Option<BigDecimal>

Creates and initializes a BigDecimal.

Decodes using str::from_utf8 and forwards to BigDecimal::from_str_radix. Only base-10 is supported.

§Examples
use bigdecimal::{BigDecimal, Zero};

assert_eq!(BigDecimal::parse_bytes(b"0", 10).unwrap(), BigDecimal::zero());
assert_eq!(BigDecimal::parse_bytes(b"13", 10).unwrap(), BigDecimal::from(13));

pub fn with_scale(&self, new_scale: i64) -> BigDecimal

Return a new BigDecimal object equivalent to self, with internal scaling set to the number specified. If the new_scale is lower than the current value (indicating a larger power of 10), digits will be dropped (as precision is lower)

pub fn with_prec(&self, prec: u64) -> BigDecimal

Return a new BigDecimal object with precision set to new value

pub fn sign(&self) -> Sign

Return the sign of the BigDecimal as num::bigint::Sign.

§Examples
extern crate num_bigint;
extern crate bigdecimal;
use std::str::FromStr;

assert_eq!(bigdecimal::BigDecimal::from_str("-1").unwrap().sign(), num_bigint::Sign::Minus);
assert_eq!(bigdecimal::BigDecimal::from_str("0").unwrap().sign(), num_bigint::Sign::NoSign);
assert_eq!(bigdecimal::BigDecimal::from_str("1").unwrap().sign(), num_bigint::Sign::Plus);

pub fn as_bigint_and_exponent(&self) -> (BigInt, i64)

Return the internal big integer value and an exponent. Note that a positive exponent indicates a negative power of 10.

§Examples
extern crate num_bigint;
extern crate bigdecimal;
use std::str::FromStr;

assert_eq!(bigdecimal::BigDecimal::from_str("1.1").unwrap().as_bigint_and_exponent(),
           (num_bigint::BigInt::from_str("11").unwrap(), 1));

pub fn into_bigint_and_exponent(self) -> (BigInt, i64)

Convert into the internal big integer value and an exponent. Note that a positive exponent indicates a negative power of 10.

§Examples
extern crate num_bigint;
extern crate bigdecimal;
use std::str::FromStr;

assert_eq!(bigdecimal::BigDecimal::from_str("1.1").unwrap().into_bigint_and_exponent(),
           (num_bigint::BigInt::from_str("11").unwrap(), 1));

pub fn digits(&self) -> u64

Number of digits in the non-scaled integer representation

pub fn abs(&self) -> BigDecimal

Compute the absolute value of number

pub fn double(&self) -> BigDecimal

pub fn half(&self) -> BigDecimal

Divide this efficiently by 2

Note, if this is odd, the precision will increase by 1, regardless of the context’s limit.

pub fn square(&self) -> BigDecimal

pub fn cube(&self) -> BigDecimal

pub fn sqrt(&self) -> Option<BigDecimal>

Take the square root of the number

If the value is < 0, None is returned

pub fn cbrt(&self) -> BigDecimal

Take the cube root of the number

pub fn inverse(&self) -> BigDecimal

Compute the reciprical of the number: x-1

pub fn round(&self, round_digits: i64) -> BigDecimal

Return number rounded to round_digits precision after the decimal point

pub fn is_integer(&self) -> bool

Return true if this number has zero fractional part (is equal to an integer)

pub fn exp(&self) -> BigDecimal

Evaluate the natural-exponential function ex

pub fn normalized(&self) -> BigDecimal

Trait Implementations§

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impl<'a, 'b> Add<&'b BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: &BigDecimal) -> BigDecimal

Performs the + operation. Read more
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impl<'a> Add<&'a BigDecimal> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: &'a BigDecimal) -> BigDecimal

Performs the + operation. Read more
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impl<'a, 'b> Add<&'a BigInt> for &'b BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: &BigInt) -> BigDecimal

Performs the + operation. Read more
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impl<'a> Add<&'a BigInt> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: &BigInt) -> BigDecimal

Performs the + operation. Read more
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impl<'a> Add<BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: BigDecimal) -> BigDecimal

Performs the + operation. Read more
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impl<'a> Add<BigInt> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: BigInt) -> BigDecimal

Performs the + operation. Read more
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impl Add<BigInt> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: BigInt) -> BigDecimal

Performs the + operation. Read more
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impl Add for BigDecimal

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type Output = BigDecimal

The resulting type after applying the + operator.
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fn add(self, rhs: BigDecimal) -> BigDecimal

Performs the + operation. Read more
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impl<'a> AddAssign<&'a BigDecimal> for BigDecimal

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fn add_assign(&mut self, rhs: &BigDecimal)

Performs the += operation. Read more
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impl<'a> AddAssign<&'a BigInt> for BigDecimal

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fn add_assign(&mut self, rhs: &BigInt)

Performs the += operation. Read more
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impl<'a> AddAssign<BigInt> for BigDecimal

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fn add_assign(&mut self, rhs: BigInt)

Performs the += operation. Read more
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impl AddAssign for BigDecimal

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fn add_assign(&mut self, other: BigDecimal)

Performs the += operation. Read more
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impl Clone for BigDecimal

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fn clone(&self) -> BigDecimal

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for BigDecimal

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Default for BigDecimal

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fn default() -> BigDecimal

Returns the “default value” for a type. Read more
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impl Display for BigDecimal

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<'a, 'b> Div<&'b BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, other: &BigDecimal) -> BigDecimal

Performs the / operation. Read more
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impl<'a> Div<&'a BigDecimal> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, other: &'a BigDecimal) -> BigDecimal

Performs the / operation. Read more
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impl<'a> Div<BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, other: BigDecimal) -> BigDecimal

Performs the / operation. Read more
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impl<'a> Div<f32> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: f32) -> <&'a BigDecimal as Div<f32>>::Output

Performs the / operation. Read more
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impl<'a> Div<f64> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: f64) -> <&'a BigDecimal as Div<f64>>::Output

Performs the / operation. Read more
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impl<'a> Div<i16> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i16) -> <&'a BigDecimal as Div<i16>>::Output

Performs the / operation. Read more
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impl<'a> Div<i16> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i16) -> <BigDecimal as Div<i16>>::Output

Performs the / operation. Read more
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impl<'a> Div<i32> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i32) -> <&'a BigDecimal as Div<i32>>::Output

Performs the / operation. Read more
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impl<'a> Div<i32> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i32) -> <BigDecimal as Div<i32>>::Output

Performs the / operation. Read more
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impl<'a> Div<i64> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i64) -> <&'a BigDecimal as Div<i64>>::Output

Performs the / operation. Read more
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impl<'a> Div<i64> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i64) -> <BigDecimal as Div<i64>>::Output

Performs the / operation. Read more
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impl<'a> Div<i8> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i8) -> <&'a BigDecimal as Div<i8>>::Output

Performs the / operation. Read more
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impl<'a> Div<i8> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: i8) -> <BigDecimal as Div<i8>>::Output

Performs the / operation. Read more
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impl<'a> Div<u16> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: u16) -> <&'a BigDecimal as Div<u16>>::Output

Performs the / operation. Read more
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impl<'a> Div<u32> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: u32) -> <&'a BigDecimal as Div<u32>>::Output

Performs the / operation. Read more
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impl<'a> Div<u64> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: u64) -> <&'a BigDecimal as Div<u64>>::Output

Performs the / operation. Read more
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impl<'a> Div<u8> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, den: u8) -> <&'a BigDecimal as Div<u8>>::Output

Performs the / operation. Read more
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impl Div for BigDecimal

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type Output = BigDecimal

The resulting type after applying the / operator.
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fn div(self, other: BigDecimal) -> BigDecimal

Performs the / operation. Read more
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impl From<(BigInt, i64)> for BigDecimal

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fn from(_: (BigInt, i64)) -> BigDecimal

Converts to this type from the input type.
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impl From<BigInt> for BigDecimal

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fn from(int_val: BigInt) -> BigDecimal

Converts to this type from the input type.
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impl From<i16> for BigDecimal

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fn from(n: i16) -> BigDecimal

Converts to this type from the input type.
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impl From<i32> for BigDecimal

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fn from(n: i32) -> BigDecimal

Converts to this type from the input type.
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impl From<i64> for BigDecimal

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fn from(n: i64) -> BigDecimal

Converts to this type from the input type.
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impl From<i8> for BigDecimal

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fn from(n: i8) -> BigDecimal

Converts to this type from the input type.
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impl From<u16> for BigDecimal

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fn from(n: u16) -> BigDecimal

Converts to this type from the input type.
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impl From<u32> for BigDecimal

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fn from(n: u32) -> BigDecimal

Converts to this type from the input type.
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impl From<u64> for BigDecimal

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fn from(n: u64) -> BigDecimal

Converts to this type from the input type.
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impl From<u8> for BigDecimal

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fn from(n: u8) -> BigDecimal

Converts to this type from the input type.
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impl FromPrimitive for BigDecimal

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fn from_i64(n: i64) -> Option<BigDecimal>

Converts an i64 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_u64(n: u64) -> Option<BigDecimal>

Converts an u64 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_f32(n: f32) -> Option<BigDecimal>

Converts a f32 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_f64(n: f64) -> Option<BigDecimal>

Converts a f64 to return an optional value of this type. If the value cannot be represented by this type, then None is returned. Read more
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fn from_isize(n: isize) -> Option<Self>

Converts an isize to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_i8(n: i8) -> Option<Self>

Converts an i8 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_i16(n: i16) -> Option<Self>

Converts an i16 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_i32(n: i32) -> Option<Self>

Converts an i32 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_i128(n: i128) -> Option<Self>

Converts an i128 to return an optional value of this type. If the value cannot be represented by this type, then None is returned. Read more
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fn from_usize(n: usize) -> Option<Self>

Converts a usize to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_u8(n: u8) -> Option<Self>

Converts an u8 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_u16(n: u16) -> Option<Self>

Converts an u16 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_u32(n: u32) -> Option<Self>

Converts an u32 to return an optional value of this type. If the value cannot be represented by this type, then None is returned.
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fn from_u128(n: u128) -> Option<Self>

Converts an u128 to return an optional value of this type. If the value cannot be represented by this type, then None is returned. Read more
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impl FromStr for BigDecimal

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type Err = ParseBigDecimalError

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<BigDecimal, ParseBigDecimalError>

Parses a string s to return a value of this type. Read more
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impl Hash for BigDecimal

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fn hash<H>(&self, state: &mut H)
where H: Hasher,

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a, 'b> Mul<&'b BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: &BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl<'a, 'b> Mul<&'a BigDecimal> for &'b BigInt

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: &BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl<'a> Mul<&'a BigDecimal> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: &'a BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl<'a> Mul<&'a BigDecimal> for BigInt

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: &BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl<'a, 'b> Mul<&'a BigInt> for &'b BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: &BigInt) -> BigDecimal

Performs the * operation. Read more
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impl<'a> Mul<&'a BigInt> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: &BigInt) -> BigDecimal

Performs the * operation. Read more
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impl<'a> Mul<BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl<'a> Mul<BigDecimal> for &'a BigInt

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl Mul<BigDecimal> for BigInt

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl<'a> Mul<BigInt> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: BigInt) -> BigDecimal

Performs the * operation. Read more
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impl Mul<BigInt> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: BigInt) -> BigDecimal

Performs the * operation. Read more
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impl Mul for BigDecimal

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type Output = BigDecimal

The resulting type after applying the * operator.
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fn mul(self, rhs: BigDecimal) -> BigDecimal

Performs the * operation. Read more
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impl<'a> MulAssign<&'a BigDecimal> for BigDecimal

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fn mul_assign(&mut self, rhs: &BigDecimal)

Performs the *= operation. Read more
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impl<'a> MulAssign<&'a BigInt> for BigDecimal

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fn mul_assign(&mut self, rhs: &BigInt)

Performs the *= operation. Read more
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impl MulAssign<BigInt> for BigDecimal

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fn mul_assign(&mut self, rhs: BigInt)

Performs the *= operation. Read more
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impl MulAssign for BigDecimal

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fn mul_assign(&mut self, other: BigDecimal)

Performs the *= operation. Read more
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impl<'a> Neg for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn neg(self) -> BigDecimal

Performs the unary - operation. Read more
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impl Neg for BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn neg(self) -> BigDecimal

Performs the unary - operation. Read more
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impl Num for BigDecimal

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fn from_str_radix( s: &str, radix: u32, ) -> Result<BigDecimal, ParseBigDecimalError>

Creates and initializes a BigDecimal.

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type FromStrRadixErr = ParseBigDecimalError

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impl One for BigDecimal

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fn one() -> BigDecimal

Returns the multiplicative identity element of Self, 1. Read more
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fn set_one(&mut self)

Sets self to the multiplicative identity element of Self, 1.
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fn is_one(&self) -> bool
where Self: PartialEq,

Returns true if self is equal to the multiplicative identity. Read more
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impl Ord for BigDecimal

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fn cmp(&self, other: &BigDecimal) -> Ordering

Complete ordering implementation for BigDecimal

§Example
use std::str::FromStr;

let a = bigdecimal::BigDecimal::from_str("-1").unwrap();
let b = bigdecimal::BigDecimal::from_str("1").unwrap();
assert!(a < b);
assert!(b > a);
let c = bigdecimal::BigDecimal::from_str("1").unwrap();
assert!(b >= c);
assert!(c >= b);
let d = bigdecimal::BigDecimal::from_str("10.0").unwrap();
assert!(d > c);
let e = bigdecimal::BigDecimal::from_str(".5").unwrap();
assert!(e < c);
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for BigDecimal

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fn eq(&self, rhs: &BigDecimal) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd for BigDecimal

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fn partial_cmp(&self, other: &BigDecimal) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl<'a, 'b> Rem<&'b BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the % operator.
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fn rem(self, other: &BigDecimal) -> BigDecimal

Performs the % operation. Read more
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impl<'a> Rem<&'a BigDecimal> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the % operator.
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fn rem(self, other: &BigDecimal) -> BigDecimal

Performs the % operation. Read more
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impl<'a> Rem<BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the % operator.
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fn rem(self, other: BigDecimal) -> BigDecimal

Performs the % operation. Read more
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impl Rem for BigDecimal

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type Output = BigDecimal

The resulting type after applying the % operator.
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fn rem(self, other: BigDecimal) -> BigDecimal

Performs the % operation. Read more
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impl Signed for BigDecimal

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fn abs(&self) -> BigDecimal

Computes the absolute value. Read more
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fn abs_sub(&self, other: &BigDecimal) -> BigDecimal

The positive difference of two numbers. Read more
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fn signum(&self) -> BigDecimal

Returns the sign of the number. Read more
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fn is_positive(&self) -> bool

Returns true if the number is positive and false if the number is zero or negative.
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fn is_negative(&self) -> bool

Returns true if the number is negative and false if the number is zero or positive.
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impl<'a, 'b> Sub<&'b BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: &BigDecimal) -> BigDecimal

Performs the - operation. Read more
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impl<'a> Sub<&'a BigDecimal> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: &BigDecimal) -> BigDecimal

Performs the - operation. Read more
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impl<'a, 'b> Sub<&'a BigInt> for &'b BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: &BigInt) -> BigDecimal

Performs the - operation. Read more
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impl<'a> Sub<&'a BigInt> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: &BigInt) -> BigDecimal

Performs the - operation. Read more
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impl<'a> Sub<BigDecimal> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: BigDecimal) -> BigDecimal

Performs the - operation. Read more
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impl<'a> Sub<BigInt> for &'a BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: BigInt) -> BigDecimal

Performs the - operation. Read more
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impl Sub<BigInt> for BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: BigInt) -> BigDecimal

Performs the - operation. Read more
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impl Sub for BigDecimal

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type Output = BigDecimal

The resulting type after applying the - operator.
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fn sub(self, rhs: BigDecimal) -> BigDecimal

Performs the - operation. Read more
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impl<'a> SubAssign<&'a BigDecimal> for BigDecimal

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fn sub_assign(&mut self, rhs: &BigDecimal)

Performs the -= operation. Read more
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impl<'a> SubAssign<&'a BigInt> for BigDecimal

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fn sub_assign(&mut self, rhs: &BigInt)

Performs the -= operation. Read more
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impl<'a> SubAssign<BigInt> for BigDecimal

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fn sub_assign(&mut self, rhs: BigInt)

Performs the -= operation. Read more
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impl SubAssign for BigDecimal

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fn sub_assign(&mut self, other: BigDecimal)

Performs the -= operation. Read more
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impl<'a> Sum<&'a BigDecimal> for BigDecimal

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fn sum<I>(iter: I) -> BigDecimal
where I: Iterator<Item = &'a BigDecimal>,

Takes an iterator and generates Self from the elements by “summing up” the items.
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impl Sum for BigDecimal

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fn sum<I>(iter: I) -> BigDecimal
where I: Iterator<Item = BigDecimal>,

Takes an iterator and generates Self from the elements by “summing up” the items.
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impl ToBigInt for BigDecimal

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fn to_bigint(&self) -> Option<BigInt>

Converts the value of self to a BigInt.
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impl ToPrimitive for BigDecimal

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fn to_i64(&self) -> Option<i64>

Converts the value of self to an i64. If the value cannot be represented by an i64, then None is returned.
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fn to_u64(&self) -> Option<u64>

Converts the value of self to a u64. If the value cannot be represented by a u64, then None is returned.
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fn to_f64(&self) -> Option<f64>

Converts the value of self to an f64. Overflows may map to positive or negative inifinity, otherwise None is returned if the value cannot be represented by an f64. Read more
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fn to_isize(&self) -> Option<isize>

Converts the value of self to an isize. If the value cannot be represented by an isize, then None is returned.
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fn to_i8(&self) -> Option<i8>

Converts the value of self to an i8. If the value cannot be represented by an i8, then None is returned.
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fn to_i16(&self) -> Option<i16>

Converts the value of self to an i16. If the value cannot be represented by an i16, then None is returned.
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fn to_i32(&self) -> Option<i32>

Converts the value of self to an i32. If the value cannot be represented by an i32, then None is returned.
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fn to_i128(&self) -> Option<i128>

Converts the value of self to an i128. If the value cannot be represented by an i128 (i64 under the default implementation), then None is returned. Read more
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fn to_usize(&self) -> Option<usize>

Converts the value of self to a usize. If the value cannot be represented by a usize, then None is returned.
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fn to_u8(&self) -> Option<u8>

Converts the value of self to a u8. If the value cannot be represented by a u8, then None is returned.
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fn to_u16(&self) -> Option<u16>

Converts the value of self to a u16. If the value cannot be represented by a u16, then None is returned.
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fn to_u32(&self) -> Option<u32>

Converts the value of self to a u32. If the value cannot be represented by a u32, then None is returned.
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fn to_u128(&self) -> Option<u128>

Converts the value of self to a u128. If the value cannot be represented by a u128 (u64 under the default implementation), then None is returned. Read more
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fn to_f32(&self) -> Option<f32>

Converts the value of self to an f32. Overflows may map to positive or negative inifinity, otherwise None is returned if the value cannot be represented by an f32.
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impl TryFrom<f32> for BigDecimal

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type Error = ParseBigDecimalError

The type returned in the event of a conversion error.
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fn try_from(n: f32) -> Result<BigDecimal, <BigDecimal as TryFrom<f32>>::Error>

Performs the conversion.
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impl TryFrom<f64> for BigDecimal

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type Error = ParseBigDecimalError

The type returned in the event of a conversion error.
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fn try_from(n: f64) -> Result<BigDecimal, <BigDecimal as TryFrom<f64>>::Error>

Performs the conversion.
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impl Zero for BigDecimal

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fn zero() -> BigDecimal

Returns the additive identity element of Self, 0. Read more
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fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.
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fn set_zero(&mut self)

Sets self to the additive identity element of Self, 0.
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impl Eq for BigDecimal

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T, Rhs, Output> NumOps<Rhs, Output> for T
where T: Sub<Rhs, Output = Output> + Mul<Rhs, Output = Output> + Div<Rhs, Output = Output> + Add<Rhs, Output = Output> + Rem<Rhs, Output = Output>,

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impl<T> NumRef for T
where T: Num + for<'r> NumOps<&'r T>,

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impl<T, Base> RefNum<Base> for T
where T: NumOps<Base, Base> + for<'r> NumOps<&'r Base, Base>,