Merge pull request #345 from PlutoLang/missing-arg-coverage

Raise a warning if non-nilable argument is not provided by caller
PlutoLang · Aug 25, 2023 · dec8db7 · dec8db7
2 parents 17c845c + 274eee4
commit dec8db7
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/lparser.h b/src/lparser.h
@@ -233,6 +233,9 @@ struct TypeHint {
   }
 
   [[nodiscard]] bool isCompatibleWith(const TypeHint& b) const noexcept {
+    if (b.empty()) {
+      return isNullable();
+    }
     for (const auto& desc : b.descs) {
       if (!isCompatibleWith(desc)) {
         return false;
@@ -265,6 +268,9 @@ struct TypeHint {
   }
 
   [[nodiscard]] std::string toString() const {
+    if (empty()) {
+      return "nil";
+    }
     std::string str{};
     if (isNullable())
       str.push_back('?');