async await desugaring and tests

2018-06-06 15:50:59 -07:00
parent 589446e19c
commit cf844b547d
38 changed files with 1282 additions and 199 deletions
--- a/src/libsyntax/util/parser.rs
+++ b/src/libsyntax/util/parser.rs
@@ -277,6 +277,7 @@ pub enum ExprPrecedence {
    Block,
    Catch,
    Struct,
+    Async,
 }

 impl PartialOrd for ExprPrecedence {
@@ -346,6 +347,7 @@ impl ExprPrecedence {
            ExprPrecedence::Match |
            ExprPrecedence::Block |
            ExprPrecedence::Catch |
+            ExprPrecedence::Async |
            ExprPrecedence::Struct => PREC_PAREN,
        }
    }