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|
warning: label name `'a` shadows a label name that is already in scope
--> $DIR/loop-break-value.rs:136:17
|
LL | 'a: loop {
| -- first declared here
LL | break;
LL | let _ = 'a: loop {
| ^^ label `'a` already in scope
warning: label name `'a` shadows a label name that is already in scope
--> $DIR/loop-break-value.rs:148:17
|
LL | 'a: loop {
| -- first declared here
LL | break;
LL | let _ = 'a: loop {
| ^^ label `'a` already in scope
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 `()`
| | |
| | this loop is expected to be of type `!`
| expected because of this assignment
|
= note: expected type `!`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:11:19
|
LL | break "asdf";
| ------------ expected because of this `break`
LL | } else {
LL | break 123;
| ^^^ expected `&str`, found integer
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:16:15
|
LL | let _: i32 = loop {
| - ---- this loop is expected to be of type `i32`
| |
| expected because of this assignment
LL | break "asdf";
| ^^^^^^ expected `i32`, found `&str`
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:21:31
|
LL | let _: i32 = 'outer_loop: loop {
| - ---- this loop is expected to be of type `i32`
| |
| expected because of this assignment
LL | loop {
LL | break 'outer_loop "nope";
| ^^^^^^ expected `i32`, found `&str`
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:73:26
|
LL | break;
| ----- expected because of this `break`
LL | break 'c 123;
| ^^^ expected `()`, found integer
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:80:15
|
LL | break (break, break);
| ^-----^^-----^
| || |
| || expected because of this `break`
| |expected because of this `break`
| expected `()`, found `(!, !)`
|
= note: expected unit type `()`
found tuple `(!, !)`
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:85:15
|
LL | break;
| ----- expected because of this `break`
LL | break 2;
| ^ expected `()`, found integer
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:90:9
|
LL | break 2;
| ------- expected because of this `break`
LL | break;
| ^^^^^ expected integer, found `()`
|
help: give it a value of the expected type
|
LL | break value;
| +++++
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:108:9
|
LL | break 'a 1;
| ---------- expected because of this `break`
...
LL | break;
| ^^^^^ expected integer, found `()`
|
help: give it a value of the expected type
|
LL | break value;
| +++++
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:120:9
|
LL | break 'a 1;
| ---------- expected because of this `break`
...
LL | break 'a;
| ^^^^^^^^ expected integer, found `()`
|
help: give it a value of the expected type
|
LL | break 'a value;
| +++++
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:131:15
|
LL | break;
| ----- expected because of this `break`
...
LL | break 2;
| ^ expected `()`, found integer
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:140:17
|
LL | break 2;
| ------- expected because of this `break`
LL | loop {
LL | break 'a;
| ^^^^^^^^ expected integer, found `()`
|
help: give it a value of the expected type
|
LL | break 'a value;
| +++++
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:143:15
|
LL | break;
| ----- expected because of this `break`
...
LL | break 2;
| ^ expected `()`, found integer
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:152:17
|
LL | break 'a 2;
| ---------- expected because of this `break`
LL | loop {
LL | break 'a;
| ^^^^^^^^ expected integer, found `()`
|
help: give it a value of the expected type
|
LL | break 'a value;
| +++++
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:155:15
|
LL | break;
| ----- expected because of this `break`
...
LL | break 2;
| ^ expected `()`, found integer
error[E0308]: mismatched types
--> $DIR/loop-break-value.rs:159:15
|
LL | fn main() {
| - expected `()` because of this return type
...
LL | loop { // point at the return type
| ---- this loop is expected to be of type `()`
LL | break 2;
| ^ expected `()`, found integer
error: aborting due to 25 previous errors; 3 warnings emitted
Some errors have detailed explanations: E0308, E0425, E0571.
For more information about an error, try `rustc --explain E0308`.
|
