src/test/ui/macros/assert-matches-macro-msg.rs

   1 // run-fail
   2 // error-pattern:panicked at 'assertion failed: `(left matches right)`
   3 // error-pattern: left: `2`
   4 // error-pattern:right: `3`: 1 + 1 definitely should be 3'
   5 // ignore-emscripten no processes
   6
   7 #![feature(assert_matches)]
   8
   9 use std::assert_matches::assert_matches;
  10
  11 fn main() {
  12     assert_matches!(1 + 1, 3, "1 + 1 definitely should be 3");
  13 }