rust/tests/ui/binding/const-param.rs

// Identifier pattern referring to a const generic parameter is an error (issue #68853).

fn check<const N: usize>() {
    match 1 {
        N => {} //~ ERROR constant parameters cannot be referenced in patterns
        _ => {}
    }
}

fn main() {}
resolve: Prevent fresh bindings from shadowing ambiguity items Correctly treat const generic parameters in fresh binding disambiguation 2020-03-14 19:44:11 +03:00			`// Identifier pattern referring to a const generic parameter is an error (issue #68853).`

			`fn check<const N: usize>() {`
			`match 1 {`
Tweak output of some const pattern errors - Add primary span labels. - Point at const generic parameter used as pattern. - Point at statics used as pattern. - Point at let bindings used in const pattern. 2024-11-20 03:57:30 +00:00			`N => {} //~ ERROR constant parameters cannot be referenced in patterns`
resolve: Prevent fresh bindings from shadowing ambiguity items Correctly treat const generic parameters in fresh binding disambiguation 2020-03-14 19:44:11 +03:00			`_ => {}`
			`}`
			`}`

			`fn main() {}`