converting numbers to strings and back

[Daniel Keep]

dominik wrote:
> I was trying, for fun and learning, to do some PHP style trash programming. 
> Basically, I wanted to convert float to string, and string back to float. I 
> did make it work, but not as documentation said I should. Look at the 
> commented out line in example I made.
> 
> I'm trying to learn D (I'm coming from HEAVY C and PHP background), so I 
> occasionally post questions which might seem retarded. I'm sorry, and thank 
> you for your patience and help :)
> 
> Documentation for D is still pretty sparse on the interwebtubes - luckly 
> this newsgroup is pretty active and helpfull. Is there a place where D 
> documentation is centralized? Like php.net for PHP for example - which I 
> find the most usefull documentation formats for any language (including 
> standard library) I've been working with. I have found several places on 
> net, but none seem to be active and/or full of information. I'd like to 
> contribute as I'm learning, so others can find more information easily.
> 
> --------------------------------------------
> import std.stdio;
> import std.string;
> import std.conv;
> 
> void main(char[][] args) {
> 
>  float fFloat = 214.4;
>  float fBack = 0;
> 
>  char[] cTest = std.string.toString(fFloat);
>  writefln(cTest);
> 
>  // fBack = to!(float)(cTest); // this does not work! Why?
>  fBack = toFloat(cTest);
>  // This does work, but docs say it will be deprecated
>  // because to!(T) supercedes it.
>  writefln(fBack);
> 
> }
> -------------------------------------------- 

Using my tinfoil telepathy hat, I suspect you are... using a 1.x series
compiler, which does not have the std.conv.to!(T) template.  You'll need
to either use D 2.0 for that, or just use toFloat.

If you *are* using a 2.x series compiler, then we've got a problem :)

	-- Daniel