Any reason why they don't use trick #1 inside trick #5? // Instead of x = x ? x : 10; // We can use the shorter form: x = x ?: 10; #define min(a, b) ({ \

Any reason why they don't use trick #1 inside trick #5? // Instead of x = x ? x : 10; // We can use the shorter form: x = x ?: 10; #define min(a, b) ({ \ __typeof__ (a) _a = (a); \ __typeof__ (b) _b = (b); \ _a < _b ? _a : _b; \ })