mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-12 08:36:03 +00:00
23 lines
639 B
Rust
23 lines
639 B
Rust
// Check that coercions are propagated through match and if expressions.
|
|
|
|
// pretty-expanded FIXME #23616
|
|
|
|
pub fn main() {
|
|
let _: Box<[isize]> = if true {
|
|
let b: Box<_> = Box::new([1, 2, 3]);
|
|
b
|
|
} else {
|
|
let b: Box<_> = Box::new([1]);
|
|
b
|
|
};
|
|
|
|
let _: Box<[isize]> = match true {
|
|
true => { let b: Box<_> = Box::new([1, 2, 3]); b }
|
|
false => { let b: Box<_> = Box::new([1]); b }
|
|
};
|
|
|
|
// Check we don't get over-keen at propagating coercions in the case of casts.
|
|
let x = if true { 42 } else { 42u8 } as u16;
|
|
let x = match true { true => 42, false => 42u8 } as u16;
|
|
}
|