Implies operator

[Stewart Gordon]

Hasan Aljudy wrote:
> Mariano wrote:
<snip>
>> but the implication makes it far more clear for common day speach
>>
>>   if( check_boundaries -> a.length <= max_int )
>>       process(a);
>>
>> makes more sence than
>>
>>   if( !check_boundaries || a.length <= max_int )
>>       process(a);
> 
> What does that mean? what's 'a' and what's 'check_boundaries'?

Presumably it's obvious within the context from which the example has 
been snipped.

What this notation is saying is: If check_boundaries is true, then we 
need to check whether a.length <= max_int - otherwise we needn't bother.

But still, it isn't exactly the clearest notation.

<snip>
> Yea, it's easy, sure .. but -> has another totally different meaning in 
> C++. Not that I care about C++ anymore, but D, being a C-family 
> language, IMHO, shouldn't do this.
<snip>

Taken the words out of my mouth there.

Stewart.

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