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#![allow(incomplete_features)]
#![feature(loop_match)]
#[derive(Clone, Copy)]
enum State {
A,
B,
}
fn main() {
let mut state = State::A;
#[loop_match]
loop {
state = 'blk: {
match state {
State::A => {
#[const_continue]
break 'blk State::B;
}
State::B => {
return;
}
}
}
}
|| {
#[loop_match]
loop {
state = 'blk: {
match state {
//~^ ERROR invalid match on `#[loop_match]` state
State::A => {
#[const_continue]
break 'blk State::B;
}
State::B => {
return;
}
}
}
}
};
|| {
let mut state = state;
#[loop_match]
loop {
state = 'blk: {
match state {
State::A => {
#[const_continue]
break 'blk State::B;
}
State::B => {
return;
}
}
}
}
};
move || {
#[loop_match]
loop {
state = 'blk: {
match state {
//~^ ERROR invalid match on `#[loop_match]` state
State::A => {
#[const_continue]
break 'blk State::B;
}
State::B => {
return;
}
}
}
}
};
}
|