And what does the list feel about the following form (which I think I picked up
from a Wil Shipley article):
if(nil != (self = [super init]))
Myself I find it elegantly brief and imminently readable.
Time Dwarf,
Roaring Guy
On 2012-02-24, at 9:30 AM, David Duncan <david.dun...@apple.com> wrote:
> On Feb 24, 2012, at 6:50 AM, Oleg Krupnov wrote:
>
>> So basically, nil is of type "void*", so the expression "self != nil"
>> compares two pointers and the result is "boolean", which is perfect
>> for testing in the "if" statement. But the "self" alone is of type
>> "pointer" and so when it is tested by the "if" statement, it's
>> implicitly cast to the type "boolean".
>
> In C any non-zero value is 'true', as such if (self) vs if (self != nil) is a
> pure stylistic choice, neither is more correct than the other in terms of the
> language itself.
> --
> David Duncan
>
>
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