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|
#![feature(never_type)]
fn main() {
let val: ! = loop { break break; };
//~^ ERROR mismatched types
loop {
if true {
break "asdf";
} else {
break 123; //~ ERROR mismatched types
}
};
let _: i32 = loop {
break "asdf"; //~ ERROR mismatched types
};
let _: i32 = 'outer_loop: loop {
loop {
break 'outer_loop "nope"; //~ ERROR mismatched types
break "ok";
};
};
'while_loop: while true { //~ WARN denote infinite loops with
break;
break (); //~ ERROR `break` with value from a `while` loop
loop {
break 'while_loop 123;
//~^ ERROR `break` with value from a `while` loop
break 456;
break 789;
};
}
while let Some(_) = Some(()) {
if break () { //~ ERROR `break` with value from a `while` loop
}
}
while let Some(_) = Some(()) {
break None;
//~^ ERROR `break` with value from a `while` loop
}
'while_let_loop: while let Some(_) = Some(()) {
loop {
break 'while_let_loop "nope";
//~^ ERROR `break` with value from a `while` loop
break 33;
};
}
for _ in &[1,2,3] {
break (); //~ ERROR `break` with value from a `for` loop
break [()];
//~^ ERROR `break` with value from a `for` loop
}
'for_loop: for _ in &[1,2,3] {
loop {
break Some(3);
break 'for_loop Some(17);
//~^ ERROR `break` with value from a `for` loop
};
}
let _: i32 = 'a: loop {
let _: () = 'b: loop {
break ('c: loop {
break;
break 'c 123; //~ ERROR mismatched types
});
break 'a 123;
};
};
loop {
break (break, break); //~ ERROR mismatched types
};
loop {
break;
break 2; //~ ERROR mismatched types
};
loop {
break 2;
break; //~ ERROR mismatched types
break 4;
};
'LOOP: for _ in 0 .. 9 {
break LOOP;
//~^ ERROR cannot find value `LOOP` in this scope
}
let _ = 'a: loop {
loop {
break; // This doesn't affect the expected break type of the 'a loop
loop {
loop {
break 'a 1;
}
}
}
break; //~ ERROR mismatched types
};
let _ = 'a: loop {
loop {
break; // This doesn't affect the expected break type of the 'a loop
loop {
loop {
break 'a 1;
}
}
}
break 'a; //~ ERROR mismatched types
};
loop {
break;
let _ = loop {
break 2;
loop {
break;
}
};
break 2; //~ ERROR mismatched types
}
'a: loop {
break;
let _ = 'a: loop {
//~^ WARNING label name `'a` shadows a label name that is already in scope
break 2;
loop {
break 'a; //~ ERROR mismatched types
}
};
break 2; //~ ERROR mismatched types
}
'a: loop {
break;
let _ = 'a: loop {
//~^ WARNING label name `'a` shadows a label name that is already in scope
break 'a 2;
loop {
break 'a; //~ ERROR mismatched types
}
};
break 2; //~ ERROR mismatched types
};
loop { // point at the return type
break 2; //~ ERROR mismatched types
}
}
|
