medfall

commit 31d6516a0e780033c4db5e86261b5aa9f21cd935
parent f7e6830239d20e09b0d6259a32c74b0ec0bd6af4
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sat Nov 19 12:06:37 +0200

SCOPE_EXIT

Diffstat:
intrinsics.h
 | 
13
+++++++++++++
1 file changed, 13 insertions(+), 0 deletions(-)
diff --git a/intrinsics.h b/intrinsics.h
@@ -136,6 +136,19 @@ inline void mike_assert( const bool predicate, const char * message ) {
 #define STATIC_ASSERT( p ) static_assert( p )
 #endif
 
+template< typename F >
+struct ScopeExit {
+	ScopeExit( F f_ ) : f( f_ ) { }
+	~ScopeExit() { f(); }
+	F f;
+};
+
+template< typename F >
+ScopeExit< F > MakeScopeExit( F f ) {
+	return ScopeExit< F >( f );
+};
+#define SCOPE_EXIT( code ) auto CONCAT( SCOPE_EXIT_, __COUNTER__ ) = MakeScopeExit( [=]() { code; } )
+
 template< typename To, typename From >
 To checked_cast( const From & from ) {
 	To result = To( from );