commit 4bfca11c1e2504364fe277b54bfc0c875ff9ef5d
author David Tolnay <dtolnay@gmail.com> Sun Nov 01 23:59:11 2020 -0800
committer David Tolnay <dtolnay@gmail.com> Sun Nov 01 23:59:11 2020 -0800
tree b4a7c25dbdadbd6ae9af8892618e8403fb01842c
parent 0e3ee8e398ebd17e0b68768c7587ac5cfd56d126

Fix duplicated forward declaration for extern enums

gen/src/write.rs

diff --git a/gen/src/write.rs b/gen/src/write.rs
index ebef728..68b5468 100644
--- a/gen/src/write.rs
+++ b/gen/src/write.rs
@@ -31,7 +31,8 @@
 
 fn write_forward_declarations(out: &mut OutFile, apis: &[Api]) {
     let needs_forward_declaration = |api: &&Api| match api {
-        Api::Struct(_) | Api::Enum(_) | Api::CxxType(_) | Api::RustType(_) => true,
+        Api::Struct(_) | Api::CxxType(_) | Api::RustType(_) => true,
+        Api::Enum(enm) => !out.types.cxx.contains(&enm.ident.rust),
         _ => false,
     };