I recommend reading the notes section and better yet the following blog entry before one decides to use _Generic with less trivial types: https://gustedt.wordp

I recommend reading the notes section and better yet the following blog entry before one decides to use _Generic with less trivial types: https://gustedt.wordpress.com/2015/05/11/the-controlling-expression-of-_generic/ https://gustedt.wordpress.com/2015/05/11/the-controlling-exp...