combine::streamTrait Range
source pub trait Range {
// Required method
fn len(&self) -> usize;
// Provided method
fn is_empty(&self) -> bool { ... }
}
Expand description
Trait representing a range of elements.
Returns the remaining length of self
.
The returned length need not be the same as the number of items left in the stream.
Returns true
if the range does not contain any elements (Range::len() == 0
)