rust/tests/ui/macros/concat-rpass.rs
2023-01-11 09:32:08 +00:00

19 lines
507 B
Rust

// run-pass
pub fn main() {
assert_eq!(format!(concat!("foo", "bar", "{}"), "baz"), "foobarbaz".to_string());
assert_eq!(format!(concat!()), "".to_string());
// check trailing comma is allowed in concat
assert_eq!(concat!("qux", "quux",).to_string(), "quxquux".to_string());
assert_eq!(
concat!(1, 2, 3, 4f32, 4.0, 'a', true),
"12344.0atrue"
);
assert!(match "12344.0atrue" {
concat!(1, 2, 3, 4f32, 4.0, 'a', true) => true,
_ => false
})
}