src/test/ui/concat-rpass.rs

   1 // run-pass
   2
   3 pub fn main() {
   4     assert_eq!(format!(concat!("foo", "bar", "{}"), "baz"), "foobarbaz".to_string());
   5     assert_eq!(format!(concat!()), "".to_string());
   6     // check trailing comma is allowed in concat
   7     assert_eq!(concat!("qux", "quux",).to_string(), "quxquux".to_string());
   8
   9     assert_eq!(
  10         concat!(1, 2, 3, 4f32, 4.0, 'a', true),
  11         "12344.0atrue"
  12     );
  13
  14     assert!(match "12344.0atrue" {
  15         concat!(1, 2, 3, 4f32, 4.0, 'a', true) => true,
  16         _ => false
  17     })
  18 }