bit fields

[Timon Gehr]

On 28.08.21 10:20, Walter Bright wrote:
> 
> There are other advantages, too. I often use bit flags:
> 
>      enum Flags { A = 1, B = 2, C = 4, D = 8 }
> 
>      Flags f;
>      f |= Flags.A;
>      f &= ~Flags.B;
> 
> but this is tedious, and so this often just winds up as:
> 
>      bool a, b, c, d;
> 
> which is expensive in memory. With bit fields it is:
> 
>      bool a:1, b:1, c:1, d:1;


+1. This is one of those things you leave in to fix later because the 
syntax is more convenient, then it does not get fixed later.