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