Recover from missing semicolon based on the found token #59866
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When encountering one of a few keywords when a semicolon was
expected, suggest the semicolon and recover:
```
error: expected one of `.`, `;`, `?`, or an operator, found `let`
--> $DIR/recover-missing-semi.rs:4:5
|
LL | let _: usize = ()
| - help: missing semicolon here
LL |
LL | let _ = 3;
| ^^^
error[E0308]: mismatched types
--> $DIR/recover-missing-semi.rs:2:20
|
LL | let _: usize = ()
| ^^ expected usize, found ()
|
= note: expected type `usize`
found type `()`
```
|
(rust_highfive has picked a reviewer for you, use r? to override) |
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I believe it would make more sense to have the help message be tentative. Even a question mark would help: |
|
I think I agree with @NieDzejkob's comment. |
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@bors r+ |
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📌 Commit 9b6b3d6 has been approved by |
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…trochenkov
Recover from missing semicolon based on the found token
When encountering one of a few keywords when a semicolon was
expected, suggest the semicolon and recover:
```
error: expected one of `.`, `;`, `?`, or an operator, found `let`
--> $DIR/recover-missing-semi.rs:4:5
|
LL | let _: usize = ()
| - help: missing semicolon here
LL |
LL | let _ = 3;
| ^^^
error[E0308]: mismatched types
--> $DIR/recover-missing-semi.rs:2:20
|
LL | let _: usize = ()
| ^^ expected usize, found ()
|
= note: expected type `usize`
found type `()`
```
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Apr 13, 2019
Rollup of 8 pull requests Successful merges: - #59781 (Remove check_match from const_eval) - #59820 (proc_macro: stop using LEB128 for RPC.) - #59846 (clarify what the item is in "not a module" error) - #59847 (Error when using `catch` after `try`) - #59859 (Suggest removing `?` to resolve type errors.) - #59862 (Tweak unstable diagnostic output) - #59866 (Recover from missing semicolon based on the found token) - #59892 (Impl RawFd conversion traits for WASI TcpListener, TcpStream and UdpSocket) Failed merges: r? @ghost
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When encountering one of a few keywords when a semicolon was
expected, suggest the semicolon and recover: