31 lines
642 B
Rust
31 lines
642 B
Rust
// Tests for #88015 when using if let chains in match guards
|
|
|
|
//@run-pass
|
|
|
|
#![feature(if_let_guard)]
|
|
#![feature(let_chains)]
|
|
#![allow(irrefutable_let_patterns)]
|
|
|
|
fn lhs_let(opt: Option<bool>) {
|
|
match opt {
|
|
None | Some(false) | Some(true) if let x = 42 && true => assert_eq!(x, 42),
|
|
_ => panic!()
|
|
}
|
|
}
|
|
|
|
fn rhs_let(opt: Option<bool>) {
|
|
match opt {
|
|
None | Some(false) | Some(true) if true && let x = 41 => assert_eq!(x, 41),
|
|
_ => panic!()
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
lhs_let(None);
|
|
lhs_let(Some(false));
|
|
lhs_let(Some(true));
|
|
rhs_let(None);
|
|
rhs_let(Some(false));
|
|
rhs_let(Some(true));
|
|
}
|