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|
// Ensure that temporaries in if-let guards live for the arm
// regression test for #118593
//@ check-pass
#![feature(if_let_guard)]
#![feature(let_chains)]
fn get_temp() -> Option<String> {
None
}
fn let_guard(num: u8) {
match num {
1 | 2 if let Some(ref a) = get_temp() => {
let _b = a;
}
_ => {}
}
match num {
3 | 4 if let Some(ref mut c) = get_temp() => {
let _d = c;
}
_ => {}
}
}
fn let_let_chain_guard(num: u8) {
match num {
5 | 6
if let Some(ref a) = get_temp()
&& let Some(ref b) = get_temp() =>
{
let _x = a;
let _y = b;
}
_ => {}
}
match num {
7 | 8
if let Some(ref mut c) = get_temp()
&& let Some(ref mut d) = get_temp() =>
{
let _w = c;
let _z = d;
}
_ => {}
}
}
fn let_cond_chain_guard(num: u8) {
match num {
9 | 10
if let Some(ref a) = get_temp()
&& true =>
{
let _x = a;
}
_ => {}
}
match num {
11 | 12
if let Some(ref mut b) = get_temp()
&& true =>
{
let _w = b;
}
_ => {}
}
}
fn main() {}
|
