Replace some matches with try.

2017-06-04 14:10:14 +09:00
parent 76242aebb9
commit ab72611d8f
3 changed files with 3 additions and 12 deletions
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -1249,10 +1249,7 @@ impl<'a> Parser<'a> {
            let mac = respan(lo.to(self.prev_span), Mac_ { path: pth, tts: tts });
            (keywords::Invalid.ident(), ast::TraitItemKind::Macro(mac))
        } else {
-            let (constness, unsafety, abi) = match self.parse_fn_front_matter() {
-                Ok(cua) => cua,
-                Err(e) => return Err(e),
-            };
+            let (constness, unsafety, abi) = self.parse_fn_front_matter()?;

            let ident = self.parse_ident()?;
            let mut generics = self.parse_generics()?;