Add has_value to conditional.

desktop-app · Aug 25, 2022 · 36fb95c · 36fb95c
1 parent dec8f54
commit 36fb95c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tl/tl_basic_types.h b/tl/tl_basic_types.h
@@ -671,6 +671,10 @@ class conditional {
 		return _value ? _value->v : Inner();
 	}
 
+	constexpr bool has_value() const noexcept {
+		return (_value != nullptr);
+	}
+
 private:
 	const T *_value = nullptr;