Recover from missing semicolon based on the found token #59866
Merged
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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) |
rust-highfive
added
the
S-waiting-on-review
|
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. |
petrochenkov
added
S-waiting-on-author
This comment has been minimized.
This comment has been minimized.
estebank
force-pushed
the
recover-missing-semi
branch
from
d5a1223 to
9b6b3d6
Compare
|
@bors r+ |
|
📌 Commit 9b6b3d6 has been approved by |
bors
added
S-waiting-on-bors
Centril
added a commit
to Centril/rust
that referenced
this pull request
Apr 12, 2019
…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 `()`
```
bors
added a commit
that referenced
this pull request
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
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
When encountering one of a few keywords when a semicolon was
expected, suggest the semicolon and recover: