commit 85d73456793a932cb82870e52c29b35a1e462fc5
author Yusuke Sasaki <yusuke.sasaki.nuem@gmail.com> Wed Aug 01 06:39:57 2018 +0900
committer Yusuke Sasaki <yusuke.sasaki.nuem@gmail.com> Wed Aug 01 06:39:57 2018 +0900
tree b11b494e0ceadf2755454f2c9cb6d897ea9f8d2a
parent 851062f8f12f0d5cc9d2eb8211fb0bcdcc68f3c2

remove option!() from async keywords

src/expr.rs

diff --git a/src/expr.rs b/src/expr.rs
index a751bc3..7cede99 100644
--- a/src/expr.rs
+++ b/src/expr.rs
@@ -2136,7 +2136,7 @@
     named!(expr_unstable_async_closure(allow_struct: bool) -> Expr, do_parse!(
         begin: call!(grab_cursor) >>
         _attrs: many0!(Attribute::parse_outer) >>
-        _asyncness: option!(keyword!(async)) >>
+        _asyncness: keyword!(async) >>
         _movability: option!(keyword!(static)) >>
         _capture: option!(keyword!(move)) >>
         _or1: punct!(|) >>
@@ -2170,7 +2170,7 @@
     named!(unstable_async_block -> ExprVerbatim, do_parse!(
         begin: call!(grab_cursor) >>
         _attrs: many0!(Attribute::parse_outer) >>
-        _asyncness: option!(keyword!(async)) >>
+        _asyncness: keyword!(async) >>
         _movability: option!(keyword!(static)) >>
         _capture: option!(keyword!(move)) >>
         _body: syn!(Block) >>