Enum Bound

pub enum Bound<T> {
    Included(T),
    Excluded(T),
    Unbounded,
}

🔬This is a nightly-only experimental API. (new_range_api)

An endpoint of a range of keys.

Examples

Bounds are range endpoints:

use std::ops::Bound::*;
use std::ops::RangeBounds;

assert_eq!((..100).start_bound(), Unbounded);
assert_eq!((1..