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
    //~| `..=2_isize` and `4_isize..` not covered
    f(4);
}
rustc: Support irrefutable patterns in function arguments. r=nmatsakis 2012-11-07 02:41:06 +00:00			`fn main() {`
remove all kind annotations from closures 2015-02-01 17:44:15 +00:00			`let f = \|3: isize\| println!("hello");`
Classify closure arguments in refutable pattern in argument error 2024-01-26 15:53:51 +00:00			`//~^ ERROR refutable pattern in closure argument`
Match usize/isize exhaustively 2023-10-12 22:20:06 +00:00			//~\| `..=2_isize` and `4_isize..` not covered
rustc: Support irrefutable patterns in function arguments. r=nmatsakis 2012-11-07 02:41:06 +00:00			`f(4);`
			`}`