templateFizzBuzz_with_static_if.d

import std.stdio;

template Fibonacci(int n) {
	static if (n == 0)
		const Fibonacci = 0;
	else static if(n == 1)
		const Fibonacci = 1;
	else static if(n == -1)
		const Fibonacci = 1;
	else static if(n > 1)
		const Fibonacci = Fibonacci!(n - 1) + Fibonacci!(n - 2);
	else
		const Fibonacci = Fibonacci!(n + 2) - Fibonacci!(n + 1);
}

void main() {
	Fibonacci!(0).writeln;
	Fibonacci!(-1).writeln;
	Fibonacci!(-2).writeln;
	Fibonacci!(-3).writeln;
	Fibonacci!(-9).writeln;
	Fibonacci!(-10).writeln;
}