mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 15:54:15 +00:00
84 lines
2.1 KiB
Rust
84 lines
2.1 KiB
Rust
#![feature(exclusive_range_pattern)]
|
|
|
|
// run-pass
|
|
|
|
fn main() {
|
|
let incl_range = |x, b| {
|
|
match x {
|
|
0..=5 if b => 0,
|
|
5..=10 if b => 1,
|
|
1..=4 if !b => 2,
|
|
_ => 3,
|
|
}
|
|
};
|
|
assert_eq!(incl_range(3, false), 2);
|
|
assert_eq!(incl_range(3, true), 0);
|
|
assert_eq!(incl_range(5, false), 3);
|
|
assert_eq!(incl_range(5, true), 0);
|
|
|
|
let excl_range = |x, b| {
|
|
match x {
|
|
0..5 if b => 0,
|
|
5..10 if b => 1,
|
|
1..4 if !b => 2,
|
|
_ => 3,
|
|
}
|
|
};
|
|
assert_eq!(excl_range(3, false), 2);
|
|
assert_eq!(excl_range(3, true), 0);
|
|
assert_eq!(excl_range(5, false), 3);
|
|
assert_eq!(excl_range(5, true), 1);
|
|
|
|
let incl_range_vs_const = |x, b| {
|
|
match x {
|
|
0..=5 if b => 0,
|
|
7 => 1,
|
|
3 => 2,
|
|
_ => 3,
|
|
}
|
|
};
|
|
assert_eq!(incl_range_vs_const(5, false), 3);
|
|
assert_eq!(incl_range_vs_const(5, true), 0);
|
|
assert_eq!(incl_range_vs_const(3, false), 2);
|
|
assert_eq!(incl_range_vs_const(3, true), 0);
|
|
assert_eq!(incl_range_vs_const(7, false), 1);
|
|
assert_eq!(incl_range_vs_const(7, true), 1);
|
|
|
|
let excl_range_vs_const = |x, b| {
|
|
match x {
|
|
0..5 if b => 0,
|
|
7 => 1,
|
|
3 => 2,
|
|
_ => 3,
|
|
}
|
|
};
|
|
assert_eq!(excl_range_vs_const(5, false), 3);
|
|
assert_eq!(excl_range_vs_const(5, true), 3);
|
|
assert_eq!(excl_range_vs_const(3, false), 2);
|
|
assert_eq!(excl_range_vs_const(3, true), 0);
|
|
assert_eq!(excl_range_vs_const(7, false), 1);
|
|
assert_eq!(excl_range_vs_const(7, true), 1);
|
|
|
|
let const_vs_incl_range = |x, b| {
|
|
match x {
|
|
3 if b => 0,
|
|
5..=7 => 2,
|
|
1..=4 => 1,
|
|
_ => 3,
|
|
}
|
|
};
|
|
assert_eq!(const_vs_incl_range(3, false), 1);
|
|
assert_eq!(const_vs_incl_range(3, true), 0);
|
|
|
|
let const_vs_excl_range = |x, b| {
|
|
match x {
|
|
3 if b => 0,
|
|
5..7 => 2,
|
|
1..4 => 1,
|
|
_ => 3,
|
|
}
|
|
};
|
|
assert_eq!(const_vs_excl_range(3, false), 1);
|
|
assert_eq!(const_vs_excl_range(3, true), 0);
|
|
}
|