rust/tests/ui/pattern/bindings-after-at/wild-before-at-syntactically-rejected.rs

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// Here we check that `_ @ sub` is syntactically invalid
// and comes with a nice actionable suggestion.
fn main() {}
#[cfg(FALSE)]
fn wild_before_at_is_bad_syntax() {
let _ @ a = 0;
//~^ ERROR pattern on wrong side of `@`
let _ @ ref a = 0;
//~^ ERROR pattern on wrong side of `@`
let _ @ ref mut a = 0;
//~^ ERROR pattern on wrong side of `@`
let _ @ (a, .., b) = (0, 1, 2, 3);
//~^ ERROR left-hand side of `@` must be a binding
}