AK: Add a TemporaryChange helper class.

2024-07-22 10:36:24 +00:00 · 2019-02-06 16:01:59 +01:00 · 2019-02-06 16:01:59 +01:00 · 781f216676
parent 8cc6e304ca
commit 781f216676
1 changed files with 18 additions and 0 deletions
--- a/AK/TemporaryChange.h
+++ b/AK/TemporaryChange.h
@ -0,0 +1,18 @@
+#pragma once
+
+namespace AK {
+
+template<typename T>
+class TemporaryChange {
+public:
+    TemporaryChange(T& variable, T value) : m_variable(variable), m_old_value(variable) { m_variable = value; }
+    ~TemporaryChange() { m_variable = m_old_value; }
+
+private:
+    T& m_variable;
+    T m_old_value;
+};
+
+}
+
+using AK::TemporaryChange;