Compile-Time Only Function

[Stefan Koch via Digitalmars-d]

On Friday, 23 June 2017 at 12:29:09 UTC, Moinak Bhattacharyya 
wrote:
> On Friday, 23 June 2017 at 12:23:23 UTC, Mike wrote:
>> alias immutable(char)[] string;
>>
>> string GenString(string a, string b)
>> {
>>     return a ~ ", " ~ b;
>> }
>>
>> void main()
>> {
>>     // `result` is a manifest constant that contains your
>>     // compile-time string, do as you wish with it
>>     enum result = GenString("Hello", "World");
>> }
>
> The problem is, I have to concat a string with an int thus I 
> need to use std.conv. This creates all sorts of problems. Do i 
> really need to create my own itoa function?

The the one from 
https://github.com/UplinkCoder/bf-ctfe/blob/master/source/bf_compiler.d
and 
https://github.com/UplinkCoder/bf-ctfe/blob/master/source/bf_fastmath.d