Function InExemptFunction

validator/homogeneous_literal_validator.cc:33–48

namespace {

bool InExemptFunction(const NavigableAstNode& node,
                      const std::vector<std::string>& exempt_functions) {
  const NavigableAstNode* parent = node.parent();
  while (parent != nullptr) {
    if (parent->node_kind() == NodeKind::kCall) {
      absl::string_view fn_name = parent->expr()->call_expr().function();
      for (const auto& exempt : exempt_functions) {
        if (exempt == fn_name) {
          return true;
        }
      }
    }
    parent = parent->parent();
  }
  return false;
}

bool IsOptional(const TypeSpec& t) {
  return t.has_abstract_type() && t.abstract_type().name() == "optional_type";