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E0269: add suggestion to check for trailing semicolons #33324

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May 3, 2016
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E0269: add suggestion to check for trailing semicolons #33324

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12 changes: 11 additions & 1 deletion src/librustc/diagnostics.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -635,7 +635,17 @@ fn foo(x: u8) -> u8 {
```

It is advisable to find out what the unhandled cases are and check for them,
returning an appropriate value or panicking if necessary.
returning an appropriate value or panicking if necessary. Check if you need
to remove a semicolon from the last expression, like in this case:

```ignore
fn foo(x: u8) -> u8 {
inner(2*x + 1);
}
```

The semicolon discards the return value of `inner`, instead of returning
it from `foo`.
"##,

E0270: r##"
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