26 lines
521 B
Rust
26 lines
521 B
Rust
|
use common::*;
|
||
|
|
|
||
|
|
pub trait RangeExt<T> {
|
||
|
|
fn range_contains(&self, i: T) -> bool;
|
||
|
|
}
|
||
|
|
|
||
|
|
impl<T> RangeExt<T> for Range<T> where T: PartialOrd + Copy {
|
||
|
|
fn range_contains(&self, i: T) -> bool {
|
||
|
|
i >= self.start && i < self.end
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[cfg(test)]
|
||
|
|
mod test {
|
||
|
|
use super::*;
|
||
|
|
|
||
|
|
#[test]
|
||
|
|
fn range() {
|
||
|
|
assert!( ( 0.. 1).range_contains( 0));
|
||
|
|
assert!( (10..20).range_contains(15));
|
||
|
|
assert!(!( 0.. 0).range_contains( 0));
|
||
|
|
assert!(!( 1..10).range_contains( 0));
|
||
|
|
assert!(!( 1..10).range_contains(10));
|
||
|
|
}
|
||
|
|
}
|