Trait std::collections::range::RangeArgument

pub trait RangeArgument<T> where
    T: ?Sized, {
    fn start(&self) -> Bound<&T>;
    fn end(&self) -> Bound<&T>;
}

🔬 This is a nightly-only experimental API. (collections_range #30877)

waiting for dust to settle on inclusive ranges

RangeArgument is implemented by Rust's built-in range types, produced by range syntax like .., a.., ..b or c..d.

Required Methods

fn start(&self) -> Bound<&T>

🔬 This is a nightly-only experimental API. (collections_range #30877)

waiting for dust to settle on inclusive ranges

Start index bound.

Returns the start value as a Bound.

Examples

#![feature(alloc)]
#![feature(collections_range)]

extern crate alloc;

use alloc::range::RangeArgument;
use alloc::Bound::*;

assert_eq!((..10).start(), Unbounded);
assert_eq!((3..10).start(), Included(&3));

fn end(&self) -> Bound<&T>

🔬 This is a nightly-only experimental API. (collections_range #30877)

waiting for dust to settle on inclusive ranges

End index bound.

Returns the end value as a Bound.

Examples

#![feature(alloc)]
#![feature(collections_range)]

extern crate alloc;

use alloc::range::RangeArgument;
use alloc::Bound::*;

assert_eq!((3..).end(), Unbounded);
assert_eq!((3..10).end(), Excluded(&10));

Implementors

• impl<T> RangeArgument<T> for RangeInclusive<T>
• impl<T> RangeArgument<T> for RangeFull where
    T: ?Sized, 
• impl<T> RangeArgument<T> for RangeTo<T>
• impl<T> RangeArgument<T> for RangeFrom<T>
• impl<T> RangeArgument<T> for RangeToInclusive<T>
• impl<T> RangeArgument<T> for Range<T>
• impl<'a, T> RangeArgument<T> for (Bound<&'a T>, Bound<&'a T>) where
    T: 'a + ?Sized, 
• impl<T> RangeArgument<T> for (Bound<T>, Bound<T>)