4 ms·

#if 0 <...> #else <...> #endif Is a pretty standard way to switch between new/old code while refactoring to check if behavior/output matches. Just change 0 to

by kbart 11y ago

#if 0 <...> #else <...> #endif Is a pretty standard way to switch between new/old code while refactoring to check if behavior/output matches. Just change 0 to 1 to switch between "versions".