Ternary if and ~ does not work quite well

[deed via Digitalmars-d-learn]

On Monday, 12 October 2015 at 15:39:15 UTC, TheFlyingFiddle wrote:
> How does this compile?

{
     string str = "hello";
     foreach (n; [32, 119, 111, 114, 108, 100, 33]) str ~= n;

     import std.stdio : writeln;
     str.writeln;            // prints "hello world!"

     writeln(true == 1);     // true
     writeln(false == 0);    // true

     string str2 = str.dup;

     str ~= 0;
     str2 ~= false;
     writeln(str == str2);   // true

     str ~= 1;
     str2 ~= true;
     writeln(str == str2);   // true
}