Hello,
i am very new with D (i do know C++ though) so i have a maybe strange question. Is there any way i can make an array which has char-type keys? Like in php in which something like that is possible:
array{
    "textbla" => value,
    "anotherText" => value,
    and so on...
}
Or maybe there is another way so i can values in an array with char-strings?
what i want is to save an unsorted file-list in an array, in a way so that i don't need to look through the whole array to find the file.

Any Idea's?

Thanks

Reply to Charma,

> Hello,
> i am very new with D (i do know C++ though) so i have a maybe strange
> question. Is there any way i can make an array which has char-type
> keys? Like in php in which something like that is possible:
> array{
> "textbla" => value,
> "anotherText" => value,
> and so on...
> }
> Or maybe there is another way so i can values in an array with
> char-strings?
> 
> what i want is to save an unsorted file-list in an array, in a way so
> that i don't need to look through the whole array to find the file.
> 
> Any Idea's?
> 
> Thanks
> 

there are assortative arrays:

int[ char[] ] arr;

this will allow a string to be used as a key into a mapping (it's a hash under the hood). Is that what you want?

Charma wrote:
> Hello,
> i am very new with D (i do know C++ though) so i have a maybe strange question. Is there any way i can make an array which has char-type keys? Like in php in which something like that is possible:
> array{
>     "textbla" => value,
>     "anotherText" => value,
>     and so on...
> }
> Or maybe there is another way so i can values in an array with char-strings?
> what i want is to save an unsorted file-list in an array, in a way so that i don't need to look through the whole array to find the file.
> 
> Any Idea's?
> 
> Thanks

What you want is an associative array:

char[char[]] myMap;

myMap["one"] = "first";
myMap["two"] = "second";
myMap["three"] = "third";

http://www.digitalmars.com/d/arrays.html#associative

Traversal is also very easy with this type:

foreach(key,value; myMap){
  writefln("%s => %s",key,value);
}

Tests are done with the 'in' operator:

if("two" in myMap){
  writefln("mymap contains a value for 'two'");
}

-- 
- EricAnderton at yahoo

yes! thank you both very much! i am right away to try it. this is a great forum... my answers are allways answered quick and good.

I will write again if there are any problem.. thanks again ^^;;

Pragma Wrote:
> What you want is an associative array:
> 
> char[char[]] myMap;

minor correction:

char[] [char[]] myMap;

Regan

Regan Heath wrote:
> Pragma Wrote:
>> What you want is an associative array:
>>
>> char[char[]] myMap;
> 
> minor correction:
> 
> char[] [char[]] myMap;
> 
> Regan
> 

Which is a mistake that's a lot harder to make with a little alias magic.  Easier to read the intent as well.

  alias char[] string;

  string[string] myMap;

--bb

Regan Heath wrote:
> Pragma Wrote:
>> What you want is an associative array:
>>
>> char[char[]] myMap;
> 
> minor correction:
> 
> char[] [char[]] myMap;
> 
> Regan
> 

GAh!

Wow, note to self: do not post without coffee.