Fix hugopl#48

BlobCodes · Jun 26, 2022 · cbd8ecc · cbd8ecc
1 parent 2cd8408
commit cbd8ecc
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/generator/helpers.cr b/src/generator/helpers.cr
@@ -177,6 +177,7 @@ module Generator::Helpers
       io << to_crystal_type(arg_type_info, include_namespace: true) << nullmark << ','
     end
     io << to_crystal_type(info.return_type, include_namespace: true)
+    io << '?' if info.may_return_null?
   end
 
   def to_crystal_type(tag : TypeTag) : String