I have the following type and my goal is to optimize the size of Storage: struct Inlined { int data[9]; }; // sizeof => 36 struct Allocated { int* data; size_t capacity }; // sizeof => 16 union Data { Inlined inlined; Allocated allocated; }; // sizeof => 40 struct Storage { // sizeof =>… Read More Optimizing class layout by minimizing padding safely

I’ve been watching this CppCon talk where the speaker was talking about writing classes resistant to future changes. He provided the following code as an example (that I show here abridged): template< typename Type, size_t Cap > class FixedVector final { using iterator = Type*; iterator begin(); } My question is, basically the following –… Read More cpp – alias for member functions` return types