commit 3f2487b997cc0ded1a6c6312d357831a7cfd8102
author David Tolnay <dtolnay@gmail.com> Sun Jun 23 15:25:05 2019 -0700
committer David Tolnay <dtolnay@gmail.com> Sun Jun 23 15:25:05 2019 -0700
tree 5638d7a7a15924ca44463ac239da52e340c5c1a1
parent 1139c5e920a50e83cac0ad8660b1faf83cc6efd6

Work around Ident::peek_any on old compilers

src/attr.rs

diff --git a/src/attr.rs b/src/attr.rs
index 116af8d..da9c121 100644
--- a/src/attr.rs
+++ b/src/attr.rs
@@ -602,7 +602,7 @@
         fn parse(input: ParseStream) -> Result<Self> {
             if input.peek(Lit) && !(input.peek(LitBool) && input.peek2(Token![=])) {
                 input.parse().map(NestedMeta::Literal)
-            } else if input.peek(Ident::peek_any) {
+            } else if private::peek_any_ident(input) {
                 input.parse().map(NestedMeta::Meta)
             } else {
                 Err(input.error("expected identifier or literal"))