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| author | varkor <github@varkor.com> | 2019-04-18 20:57:15 +0100 |
|---|---|---|
| committer | varkor <github@varkor.com> | 2019-04-20 22:03:39 +0100 |
| commit | 98c71c36d693c5643309baaa06eea70015c01029 (patch) | |
| tree | 02d55ccd6b3ca7f22796fb199e20820fc0bddf5e /src/libsyntax | |
| parent | 93c4b1f49154325d4b0220c9961aa79be8020d7a (diff) | |
| download | rust-98c71c36d693c5643309baaa06eea70015c01029.tar.gz rust-98c71c36d693c5643309baaa06eea70015c01029.zip | |
Check async in trait methods
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/feature_gate.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs index 30a603ac3bd..bc87a88f9f1 100644 --- a/src/libsyntax/feature_gate.rs +++ b/src/libsyntax/feature_gate.rs @@ -2068,6 +2068,9 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { if block.is_none() { self.check_abi(sig.header.abi, ti.span); } + if sig.header.asyncness.node.is_async() { + gate_feature_post!(&self, async_await, ti.span, "async fn is unstable"); + } if sig.decl.c_variadic { gate_feature_post!(&self, c_variadic, ti.span, "C-variadic functions are unstable"); |