From 09f6caabe5dbb758b678dd81a6f3d98fbd41f590 Mon Sep 17 00:00:00 2001 From: Taylor Cramer Date: Mon, 18 Jun 2018 16:49:34 -0700 Subject: Parse `unsafe async fn` instead of `async unsafe fn` --- src/libsyntax/parse/parser.rs | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'src/libsyntax/parse/parser.rs') diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index e5ac0b8ed7c..c2abb79a93a 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -6744,13 +6744,19 @@ impl<'a> Parser<'a> { maybe_append(attrs, extra_attrs)); return Ok(Some(item)); } - if self.check_keyword(keywords::Async) && - (self.look_ahead(1, |t| t.is_keyword(keywords::Fn)) || - self.look_ahead(1, |t| t.is_keyword(keywords::Unsafe))) + + // `unsafe async fn` or `async fn` + if ( + self.check_keyword(keywords::Unsafe) && + self.look_ahead(1, |t| t.is_keyword(keywords::Async)) + ) || ( + self.check_keyword(keywords::Async) && + self.look_ahead(1, |t| t.is_keyword(keywords::Fn)) + ) { // ASYNC FUNCTION ITEM - self.expect_keyword(keywords::Async)?; let unsafety = self.parse_unsafety(); + self.expect_keyword(keywords::Async)?; self.expect_keyword(keywords::Fn)?; let fn_span = self.prev_span; let (ident, item_, extra_attrs) = -- cgit 1.4.1-3-g733a5