Local variable inside delegate literal

[downs]

Daniel wrote:
> I'm writing some gui code, and am currently trying to make something equivalent to this:
> 
> int delegate()[] funcs;
> funcs.length = 3;
> 
> foreach(i, ref f; funcs)
> {
>   f = int() { return i; }
> }
> 
> foreach(f; funcs)
> {
>   writeln(f());
> }
> 
> Prints:
> 3
> 3
> 3
> 
> I want it to print
> 0
> 1
> 2
> 
> Is there anyway to get this behaviour using delegate literals initialized with a runtime loop?

This is how you do it in 1.0:

import std.stdio, std.bind;

void main() {
  auto funcs = new int delegate()[3];


  foreach (i, ref f; funcs)
    f = bind((int i) { return i; }, i).ptr();

  foreach (f; funcs)
    writefln(f());
}

--outputs--

0
1
2