blob: 6f0d2b045918d6007ac206369c6f52724a4151cf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#![feature(if_let_guard)]
enum VecWrapper { A(Vec<i32>) }
fn if_guard(x: VecWrapper) -> usize {
match x {
VecWrapper::A(v) if { drop(v); false } => 1,
//~^ ERROR cannot move out of `v` in pattern guard
VecWrapper::A(v) => v.len()
}
}
fn if_let_guard(x: VecWrapper) -> usize {
match x {
VecWrapper::A(v) if let Some(()) = { drop(v); None } => 1,
//~^ ERROR cannot move out of `v` in pattern guard
VecWrapper::A(v) => v.len()
}
}
fn main() {
if_guard(VecWrapper::A(vec![107]));
if_let_guard(VecWrapper::A(vec![107]));
}
|