quick sort

src/types.zig

@@ -180,6 +180,10 @@ pub const Type = union(enum) {
     /// Everything else requires `xx`.
     pub fn isImplicitlyConvertibleTo(self: Type, target: Type) bool {
         if (std.meta.eql(self, target)) return true;
+        // Slice types: compare element names by content (not pointer)
+        if (self.isSlice() and target.isSlice()) {
+            return std.mem.eql(u8, self.slice_type.element_name, target.slice_type.element_name);
+        }
 
         const src_float = self.isFloat();
         const dst_float = target.isFloat();