Bug or what?

[Phil Lavoie via Digitalmars-d]

On Wednesday, 27 August 2014 at 20:05:27 UTC, MacAsm wrote:
> On Wednesday, 27 August 2014 at 19:51:48 UTC, Phil Lavoie wrote:
>> Ok so me and one of my colleagues have been working on some 
>> code at a distance. We both use dmd as the compiler. I am 
>> under Windows, she OSX.
>>
>> It is not uncommon that she experiences more strictness in the 
>> type system than I do. For example, something like this does 
>> compile for me, but not for her:
>>
>> int func(size_t i)
>> {
>>  return i;
>> }
>>
>> It passes my compilation. She gets an error msg about implicit 
>> casting of uint to int. I'm just wondering... has anybody else 
>> experienced that and what is the expected behavior?
>>
>> Thanks,
>> Phil
>
> size_t is a typedef to unsigned (check out 
> http://dlang.org/type.html). So this warning is correct. I 
> don't get this warning too. Maybe it's the type-checking that 
> does differ on OSX. Are you using same compiler version and 
> flags?

Yeah yeah I checked it out and we both use same versions and 
everything. Basically, to bit word size coherent I should just 
have writtent this instead:

ptrdiff_t func(size_t i) {return i;}

Though it is still somewhat unsafe, at least it behaves the same 
on both our machines.

Phil