Switch and break

[Peter Alexander]

On 19/01/12 9:55 PM, RenatoL wrote:
> Just curious: why in D we are not obligated to use break in every
> branch of a swicth structure? That is:
> 	switch (i)
> 	{
> 		case 1:
> 		writeln("You wrote 1");
> 		case 2:
> 		writeln("You wrote 2");
> 		case 3:
> 		writeln("You wrote 3");
> 		default:
> 		writeln("I said: 1 or 2 or 3!");
>          }
>
> is good in D, while, for example, similar code in C# is incorrect
> and if you want to play with fall through you have to make some
> trick. Again this behaviour of D seems a bit buggy, to me. Are
> there design reasons?

Consistency with C and C++ mainly.

Some people find it convenient, but it is unarguably a frequent source 
of bugs that we could do without.