DMD 0.148 release
Charles
noone at nowhere.com
Sun Feb 26 09:36:08 PST 2006
> Can't we simply treat zero as false and non-zero as true as we C
> programmers always do?
I agree, I still don't get what the 'true bool' fuss is about .
Wang Zhen wrote:
> Derek Parnell wrote:
>
>> On Sun, 26 Feb 2006 12:54:15 +1100, Walter Bright
>> <newshound at digitalmars.com> wrote:
>>
>>> Lots of new stuff, I added new threads for them in the digitalmars.D
>>> newsgroup.
>>>
>>
>> Well you almost got bool right <G> Everything except that it does
>> implicit conversion to int. That is just a cheap cop out for lazy
>> coding, IMNSHO.
>
>
> Pardon my ignorance, but why does D need a primitive type for booleans
> in the first place? What's wrong with "alias ubyte bool;" or "alias int
> bool;"? Can't we simply treat zero as false and non-zero as true as we C
> programmers always do?
>
>
>>
>> //--------------------
>> import std.stdio;
>>
>> void main()
>> {
>> bool a;
>> bool b;
>> bool c;
>> bool d;
>> int e;
>>
>> a = true;
>> b = true;
>> c = true;
>> d = a + b + c;
>> e = a + b + c; // In a decent implentation, this should have failed
>> to compile
>> writefln("%s %s %s %s %s", a,b,c,d,e);
>> writefln("%d %d %d %d %d", a,b,c,d,e); // And this might have been
>> a runtime error?
>>
>> }
>> //-------------------
>
>
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