Test for element in array

[Dave]

BCS wrote:
> Paolo Invernizzi wrote:
>> Hi all,
>>
>> Someone can suggest me the best way for testing the presence of an 
>> element in an array?
>>
>> Coming from python, something like...
>>
>> if( x in array_of_x && y in array_of_y ){
>>    ...
>> }
>>
>> The workaround, apart from using a simple 'for' loop, is to use an 
>> associative array, and test for key...
>>
>> ---
>> Paolo
> 
> 
> import std.stdio;
> 
> void main()
> {
>     int[] a = new int[10];
>     int j=1;
> 
>     // populate a
>     foreach(int i, inout int k; a) k=i;
> 
>     if({foreach(i;a) if(i==j) return true; return false;})
>         writef("true\n");
>     else
>         writef("false\n");
> }

That's a very elegant solution and it should work, but according to my 
tests it doesn't (darn). It never returns false.

Set j = 100 once and give it a try.