63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
#![warn(unused_labels)]
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fn main() {
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'while_loop: while true { //~ WARN denote infinite loops with
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//~^ WARN unused label
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while_loop;
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//~^ ERROR cannot find value `while_loop` in this scope
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};
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'while_let: while let Some(_) = Some(()) {
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//~^ WARN unused label
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while_let;
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//~^ ERROR cannot find value `while_let` in this scope
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}
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'for_loop: for _ in 0..3 {
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//~^ WARN unused label
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for_loop;
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//~^ ERROR cannot find value `for_loop` in this scope
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};
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'LOOP: loop {
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//~^ WARN unused label
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LOOP;
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//~^ ERROR cannot find value `LOOP` in this scope
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};
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}
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fn foo() {
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'LOOP: loop {
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break LOOP;
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//~^ ERROR cannot find value `LOOP` in this scope
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};
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'while_loop: while true { //~ WARN denote infinite loops with
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break while_loop;
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//~^ ERROR cannot find value `while_loop` in this scope
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};
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'while_let: while let Some(_) = Some(()) {
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break while_let;
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//~^ ERROR cannot find value `while_let` in this scope
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}
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'for_loop: for _ in 0..3 {
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break for_loop;
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//~^ ERROR cannot find value `for_loop` in this scope
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};
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}
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fn bar() {
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let foo = ();
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'while_loop: while true { //~ WARN denote infinite loops with
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//~^ WARN unused label
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break foo;
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//~^ ERROR `break` with value from a `while` loop
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};
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'while_let: while let Some(_) = Some(()) {
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//~^ WARN unused label
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break foo;
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//~^ ERROR `break` with value from a `while` loop
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}
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'for_loop: for _ in 0..3 {
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//~^ WARN unused label
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break foo;
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//~^ ERROR `break` with value from a `for` loop
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};
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}
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