medfall

commit 5eb105103b42abbd72e0553b3a0517216c802ff4
parent 22ff4e35809223c5e311c8d1fbc16feebb979420
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Tue Oct 18 20:13:47 +0300

checked_cast

Diffstat:
intrinsics.h
 | 
7
+++++++
1 file changed, 7 insertions(+), 0 deletions(-)
diff --git a/intrinsics.h b/intrinsics.h
@@ -125,6 +125,13 @@ inline void mike_assert( const bool predicate, const char * message ) {
 #define STATIC_ASSERT( p ) static_assert( p )
 #endif
 
+template< typename To, typename From >
+To checked_cast( const From & from ) {
+	To result = To( from );
+	ASSERT( From( result ) == from );
+	return result;
+}
+
 // TODO: this sucks
 inline u8 * file_get_contents( const char * path, size_t * out_len = NULL ) {
 	FILE * file = fopen( path, "rb" );