mirror of https://github.com/rust-lang/rust
60 lines
984 B
Rust
60 lines
984 B
Rust
//@ run-pass
|
|
#![allow(dead_code)]
|
|
fn test1(x: i8) -> i32 {
|
|
match x {
|
|
1..=10 => 0,
|
|
_ => 1,
|
|
}
|
|
}
|
|
|
|
const U: Option<i8> = Some(10);
|
|
const S: &'static str = "hello";
|
|
|
|
fn test2(x: i8) -> i32 {
|
|
match Some(x) {
|
|
U => 0,
|
|
_ => 1,
|
|
}
|
|
}
|
|
|
|
fn test3(x: &'static str) -> i32 {
|
|
match x {
|
|
S => 0,
|
|
_ => 1,
|
|
}
|
|
}
|
|
|
|
enum Opt<T> {
|
|
Some { v: T },
|
|
None
|
|
}
|
|
|
|
fn test4(x: u64) -> i32 {
|
|
let opt = Opt::Some{ v: x };
|
|
match opt {
|
|
Opt::Some { v: 10 } => 0,
|
|
_ => 1,
|
|
}
|
|
}
|
|
|
|
|
|
fn main() {
|
|
assert_eq!(test1(0), 1);
|
|
assert_eq!(test1(1), 0);
|
|
assert_eq!(test1(2), 0);
|
|
assert_eq!(test1(5), 0);
|
|
assert_eq!(test1(9), 0);
|
|
assert_eq!(test1(10), 0);
|
|
assert_eq!(test1(11), 1);
|
|
assert_eq!(test1(20), 1);
|
|
assert_eq!(test2(10), 0);
|
|
assert_eq!(test2(0), 1);
|
|
assert_eq!(test2(20), 1);
|
|
assert_eq!(test3("hello"), 0);
|
|
assert_eq!(test3(""), 1);
|
|
assert_eq!(test3("world"), 1);
|
|
assert_eq!(test4(10), 0);
|
|
assert_eq!(test4(0), 1);
|
|
assert_eq!(test4(20), 1);
|
|
}
|