rust/tests/ui/pattern/usefulness/refutable-pattern-in-fn-arg.rs

fn main() {
    let f = |3: isize| println!("hello");
    //~^ ERROR refutable pattern in closure argument
    //~| NOTE `..=2_isize` and `4_isize..` not covered
    //~| NOTE the matched value is of type `isize`
    f(4);
}
rustc: Support irrefutable patterns in function arguments. r=nmatsakis 2012-11-06 18:41:06 -08:00			`fn main() {`
remove all kind annotations from closures 2015-02-01 12:44:15 -05:00			`let f = \|3: isize\| println!("hello");`
Classify closure arguments in refutable pattern in argument error 2024-01-26 23:53:51 +08:00			`//~^ ERROR refutable pattern in closure argument`
compiletest: Make diagnostic kind mandatory on line annotations 2025-04-05 19:19:56 +03:00			//~\| NOTE `..=2_isize` and `4_isize..` not covered
			//~\| NOTE the matched value is of type `isize`
rustc: Support irrefutable patterns in function arguments. r=nmatsakis 2012-11-06 18:41:06 -08:00			`f(4);`
			`}`