Why is creating of if Expressions not allowed?
sighoya
sighoya at gmail.com
Sun Mar 24 18:18:39 UTC 2019
On Sunday, 24 March 2019 at 16:57:25 UTC, Rémy Mouëza wrote:
> On Sunday, 24 March 2019 at 16:18:49 UTC, sighoya wrote:
>> Why
>>
>> auto GenIf()()
>> {
>> return mixin("if(true) { return true;} else {return
>> false;}");
>> }
>>
>> public bool testFunction2()
>> {
>> GenIf!();
>> }
>>
>>
>> gives me:
>>
>> onlineapp.d-mixin-3(3): Error: expression expected, not if
>> onlineapp.d(8): Error: template instance `onlineapp.GenIf!()`
>> error instantiating
>
> Because D uses if statements, no if expressions.
> The equivalent of an if expression is the ternary operator:
> bool-condition ? if-true : if-false;
Hmm..., sounds like bad news. Is there any mixin technology for
statements?
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