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cautionary parenthetical about failing to emit a `DiagnosticBuilder`

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Zack M. Davis 2018-06-30 08:55:04 -07:00 committed by Who? Me?!
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@ -41,13 +41,15 @@ directly and ones that allow finer control over what to emit. For example,
[`DiagnosticBuilder`][diagbuild].
`DiagnosticBuilder` allows you to add related notes and suggestions to an error
before emitting it by calling the [`emit`][emit] method. See the
before emitting it by calling the [`emit`][emit] method. (Failing to either
emit or [cancel][cancel] a `DiagnosticBuilder` will result in an ICE.) See the
[docs][diagbuild] for more info on what you can do.
[spanerr]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/session/struct.Session.html#method.span_err
[strspanerr]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/session/struct.Session.html#method.struct_span_err
[diagbuild]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/diagnostic_builder/struct.DiagnosticBuilder.html
[emit]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/diagnostic_builder/struct.DiagnosticBuilder.html#method.emit
[cancel]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/struct.Diagnostic.html#method.cancel
```rust,ignore
// Get a DiagnosticBuilder. This does _not_ emit an error yet.