Add opaque type syntax

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/std/builtin.zig b/lib/std/builtin.zig
index 68bbbe3b2d..fe72046e36 100644
--- a/lib/std/builtin.zig
+++ b/lib/std/builtin.zig
@@ -199,7 +199,7 @@ pub const TypeInfo = union(enum) {
     Union: Union,
     Fn: Fn,
     BoundFn: Fn,
-    Opaque: void,
+    Opaque: Opaque,
     Frame: Frame,
     AnyFrame: AnyFrame,
     Vector: Vector,
@@ -362,6 +362,12 @@ pub const TypeInfo = union(enum) {
 
     /// This data structure is used by the Zig language code generation and
     /// therefore must be kept in sync with the compiler implementation.
+    pub const Opaque = struct {
+        decls: []const Declaration,
+    };
+
+    /// This data structure is used by the Zig language code generation and
+    /// therefore must be kept in sync with the compiler implementation.
     pub const Frame = struct {
         function: anytype,
     };