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| author | Jorge Aparicio <japaricious@gmail.com> | 2014-12-08 13:28:32 -0500 |
|---|---|---|
| committer | Jorge Aparicio <japaricious@gmail.com> | 2014-12-13 17:03:47 -0500 |
| commit | 0dac05dd627612232403c07ca8bd6d3376eec64a (patch) | |
| tree | 656a23a7314866c8fa5cc6ca787111db41d90834 /src/libsyntax/diagnostic.rs | |
| parent | 2160427900ea675e494274d42a8d8485724f440e (diff) | |
| download | rust-0dac05dd627612232403c07ca8bd6d3376eec64a.tar.gz rust-0dac05dd627612232403c07ca8bd6d3376eec64a.zip | |
libsyntax: use unboxed closures
Diffstat (limited to 'src/libsyntax/diagnostic.rs')
| -rw-r--r-- | src/libsyntax/diagnostic.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libsyntax/diagnostic.rs b/src/libsyntax/diagnostic.rs index bbda80bd96c..3a816987922 100644 --- a/src/libsyntax/diagnostic.rs +++ b/src/libsyntax/diagnostic.rs @@ -581,7 +581,9 @@ fn print_macro_backtrace(w: &mut EmitterWriter, cs.map_or(Ok(()), |call_site| print_macro_backtrace(w, cm, call_site)) } -pub fn expect<T>(diag: &SpanHandler, opt: Option<T>, msg: || -> String) -> T { +pub fn expect<T, M>(diag: &SpanHandler, opt: Option<T>, msg: M) -> T where + M: FnOnce() -> String, +{ match opt { Some(t) => t, None => diag.handler().bug(msg().as_slice()), |