error[E0425]: cannot find value `LOOP` in this scope --> $DIR/loop-break-value.rs:95:15 | LL | 'LOOP: for _ in 0 .. 9 { | ----- a label with a similar name exists LL | break LOOP; | ^^^^ | | | not found in this scope | help: use the similarly named label: `'LOOP` warning: denote infinite loops with `loop { ... }` --> $DIR/loop-break-value.rs:26:5 | LL | 'while_loop: while true { | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `loop` | = note: `#[warn(while_true)]` on by default error[E0571]: `break` with value from a `while` loop --> $DIR/loop-break-value.rs:28:9 | LL | 'while_loop: while true { | ----------------------- you can't `break` with a value in a `while` loop LL | break; LL | break (); | ^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `while` loop | LL | break; | ~~~~~ help: alternatively, you might have meant to use the available loop label | LL | break 'while_loop; | ~~~~~~~~~~~ error[E0571]: `break` with value from a `while` loop --> $DIR/loop-break-value.rs:30:13 | LL | 'while_loop: while true { | ----------------------- you can't `break` with a value in a `while` loop ... LL | break 'while_loop 123; | ^^^^^^^^^^^^^^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `while` loop | LL | break 'while_loop; | ~~~~~~~~~~~~~~~~~ error[E0571]: `break` with value from a `while` loop --> $DIR/loop-break-value.rs:38:12 | LL | while let Some(_) = Some(()) { | ---------------------------- you can't `break` with a value in a `while` loop LL | if break () { | ^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `while` loop | LL | if break { | ~~~~~ error[E0571]: `break` with value from a `while` loop --> $DIR/loop-break-value.rs:43:9 | LL | while let Some(_) = Some(()) { | ---------------------------- you can't `break` with a value in a `while` loop LL | break None; | ^^^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `while` loop | LL | break; | ~~~~~ error[E0571]: `break` with value from a `while` loop --> $DIR/loop-break-value.rs:49:13 | LL | 'while_let_loop: while let Some(_) = Some(()) { | --------------------------------------------- you can't `break` with a value in a `while` loop LL | loop { LL | break 'while_let_loop "nope"; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `while` loop | LL | break 'while_let_loop; | ~~~~~~~~~~~~~~~~~~~~~ error[E0571]: `break` with value from a `for` loop --> $DIR/loop-break-value.rs:56:9 | LL | for _ in &[1,2,3] { | ----------------- you can't `break` with a value in a `for` loop LL | break (); | ^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `for` loop | LL | break; | ~~~~~ error[E0571]: `break` with value from a `for` loop --> $DIR/loop-break-value.rs:57:9 | LL | for _ in &[1,2,3] { | ----------------- you can't `break` with a value in a `for` loop LL | break (); LL | break [()]; | ^^^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `for` loop | LL | break; | ~~~~~ error[E0571]: `break` with value from a `for` loop --> $DIR/loop-break-value.rs:64:13 | LL | 'for_loop: for _ in &[1,2,3] { | ---------------------------- you can't `break` with a value in a `for` loop ... LL | break 'for_loop Some(17); | ^^^^^^^^^^^^^^^^^^^^^^^^ can only break with a value inside `loop` or breakable block | help: use `break` on its own without a value inside this `for` loop | LL | break 'for_loop; | ~~~~~~~~~~~~~~~ error[E0308]: mismatched types --> $DIR/loop-break-value.rs:4:31 | LL | let val: ! = loop { break break; }; | ^^^^^ expected `!`, found `()` | = note: expected type `!` found unit type `()` error[E0308]: mismatched types --> $DIR/loop-break-value.rs:11:19 | LL | break 123; | ^^^ expected `&str`, found integer error[E0308]: mismatched types --> $DIR/loop-break-value.rs:16:15 | LL | break "asdf"; | ^^^^^^ expected `i32`, found `&str` error[E0308]: mismatched types --> $DIR/loop-break-value.rs:21:31 | LL | break 'outer_loop "nope"; | ^^^^^^ expected `i32`, found `&str` error[E0308]: mismatched types --> $DIR/loop-break-value.rs:73:26 | LL | break 'c 123; | ^^^ expected `()`, found integer error[E0308]: mismatched types --> $DIR/loop-break-value.rs:80:15 | LL | break (break, break); | ^^^^^^^^^^^^^^ expected `()`, found tuple | = note: expected unit type `()` found tuple `(!, !)` error[E0308]: mismatched types --> $DIR/loop-break-value.rs:85:15 | LL | break 2; | ^ expected `()`, found integer error[E0308]: mismatched types --> $DIR/loop-break-value.rs:90:9 | LL | break; | ^^^^^ | | | expected integer, found `()` | help: give it a value of the expected type: `break value` error: aborting due to 17 previous errors; 1 warning emitted Some errors have detailed explanations: E0308, E0425, E0571. For more information about an error, try `rustc --explain E0308`.