how to correctly populate an array of dynamic closures?

[kdevel]

On Thursday, 29 March 2018 at 15:16:07 UTC, Ivan Kazmenko wrote:
> import std.stdio;
> void main () {
> 	int delegate () [] funs;
> 	funs ~= () => 0;
> 	funs ~= () => 1;
> 	foreach (i; 0..2) writeln (funs[i] ());  // 0 and 1 as expected
>
> 	int delegate () [] guns;
> 	foreach (i; 0..2) guns ~= () => i;
> 	foreach (i; 0..2) writeln (guns[i] ());  // 1 and 1, why?

Isn't this undefined behavior? The first loop variable named "i" 
already went out of scope when the delegate is invoked.