Bounds check

[Chris via Digitalmars-d-learn]

On Friday, 23 May 2014 at 15:25:37 UTC, Meta wrote:
> On Friday, 23 May 2014 at 15:14:47 UTC, Chris wrote:
>> The following:
>>
>> import std.stdio;
>>
>> void main() {
>>  int[5] arg;
>>  arg[10] = 3;              // Compiler says (of course): 
>> Error: array index 10 is out of bounds arg[0 .. 5]
>> }
>>
>> import std.stdio;
>>
>> void main() {
>>  int[5] arg;
>>  foreach (i; 0..10) {
>>    arg[i] = i;
>>  }
>> }
>>
>> Compiler says nothing, but we get a runtime error 'Range 
>> violation'.
>>
>> Bug or design?
>
> It is design I believe, but it should be possible for the 
> compiler to unroll this loop at compile time and detect the out 
> of bounds access.

That's what I thought too.