Move NestedBool to utils.hh

src/context.hh

@@ -3,6 +3,7 @@
 
 #include "selection.hh"
 #include "optional.hh"
+#include "utils.hh"
 
 namespace Kakoune
 {
@@ -16,38 +17,6 @@ class DisplayLine;
 class KeymapManager;
 class AliasRegistry;
 
-// bool that can be set (to true) multiple times, and will
-// be false only when unset the same time;
-struct NestedBool
-{
-    void set() { m_count++; }
-    void unset() { kak_assert(m_count > 0); m_count--; }
-
-    operator bool() const { return m_count > 0; }
-private:
-    int m_count = 0;
-};
-
-struct ScopedSetBool
-{
-    ScopedSetBool(NestedBool& nested_bool, bool condition = true)
-        : m_nested_bool(nested_bool), m_condition(condition)
-    {
-        if (m_condition)
-            m_nested_bool.set();
-    }
-
-    ~ScopedSetBool()
-    {
-        if (m_condition)
-            m_nested_bool.unset();
-    }
-
-private:
-    NestedBool& m_nested_bool;
-    bool m_condition;
-};
-
 struct JumpList
 {
     void push(SelectionList jump);

src/utils.hh

@@ -79,6 +79,38 @@ OnScopeEnd<T> on_scope_end(T t)
     return OnScopeEnd<T>{std::move(t)};
 }
 
+// bool that can be set (to true) multiple times, and will
+// be false only when unset the same time;
+struct NestedBool
+{
+    void set() { m_count++; }
+    void unset() { kak_assert(m_count > 0); m_count--; }
+
+    operator bool() const { return m_count > 0; }
+private:
+    int m_count = 0;
+};
+
+struct ScopedSetBool
+{
+    ScopedSetBool(NestedBool& nested_bool, bool condition = true)
+        : m_nested_bool(nested_bool), m_condition(condition)
+    {
+        if (m_condition)
+            m_nested_bool.set();
+    }
+
+    ~ScopedSetBool()
+    {
+        if (m_condition)
+            m_nested_bool.unset();
+    }
+
+private:
+    NestedBool& m_nested_bool;
+    bool m_condition;
+};
+
 // *** Misc helper functions ***
 
 template<typename T, typename... Args>