rust/library/core/tests/convert.rs
2021-12-12 12:34:59 +08:00

16 lines
310 B
Rust

#[test]
fn convert() {
const fn from(x: i32) -> i32 {
i32::from(x)
}
const FOO: i32 = from(42);
assert_eq!(FOO, 42);
const fn into(x: Vec<String>) -> Vec<String> {
x.into()
}
const BAR: Vec<String> = into(Vec::new());
assert_eq!(BAR, Vec::<String>::new());
}