serialization library - associative arrays ?

[Thomas Kuehne]

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Christian Kamm schrieb am 2006-12-21:
>> Hm, is there a way to check if a template parameter is an associative  
>> array and to get the key and value type without relying on .keys and  
>> .values?
>
> What I'm planning on using is:
>
> static if(
>    !is(T == struct) &&
>    !is(T == class) &&
>    is(typeof(T.keys) KEY == KEY[]) &&
>    is(typeof(T.values) VALUE == VALUE[])
> )
> {
>    // static assert( is(T == VALUE[KEY]) );
> }
>
> It seems to work, but is rather clumsy.

static if(is(T == typeof(T.values[$])[typeof(T.keys[$])]){
	// it is an AA, now do your KEY and VALUE magic
}

Thomas

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