Code: import std.conv; import std.stdio; mixin template genInts() { enum arr = [0,1]; static foreach (t; arr) { mixin("int i" ~ to!string(t) ~ " = 5;"); } } void main() { mixin genInts!(); writeln(i0); writeln(i1); } Expected output: 5 5 Actual output is two garbage integer values.