Using enum constant from different modules

[via Digitalmars-d-learn]

On Thursday, 10 July 2014 at 20:59:17 UTC, simendsjo wrote:
> Strings behaves a bit odd with is(). The following passes:
>
> import std.stdio;
> void f(string a, string b) {
>     assert(a is b); // also true
> }
> void main() {
>     string a = "aoeu";
>     string b = "aoeu";
>     assert(a is b); // true
>     f(a, b);
>     writeln("passed");
> }
>
> changing a and b to enum gives the same results.

Try other immutable variables (int arrays, structs), and 
non-immutable ones. They will probably behave differently.