Translate for chars to strings

[Ali Çehreli]

On 03/05/2012 04:32 PM, Andrej Mitrovic wrote:
> There's a really useful function 'translate' in std.string, used like this:
>
> __gshared dchar[dchar] MangleTable;
>
> shared static this()
> {
>      MangleTable =
>      [
>          '*':'p',  // ptr
>          '&':'r',  // reference
>          '<':'L',  // left angle
>          '>':'R',  // right angle
>          ' ':'_',  // space
>      ];
> }
>
> string mangleType(string input)
> {
>      return input.translate(MangleTable);
> }
>
> However I'm looking for something which translates characters to
> strings. Of course that also implies potential reallocation. Does
> anyone have such a function in some library?
>
> Note that I'm not looking for .mangleof, I need to work on strings of
> C++ names, not D symbols.

One of the translate() overloads can translate from dchar to string. The 
third example is exactly about that:

   http://dlang.org/phobos/std_string.html#translate

string[dchar] transTable3 = ['e' : "5", 'o' : "orange"];
assert(translate("hello world", transTable3) == "h5llorange worangerld");

Ali