import std.stdio;

int main()
{
	char[] i = "3";

	int[char[]] assoc;
	assoc[i] = 3;

	Class[char[]] assoc2;

	// doesn't work
	if (assoc2[i] is null)
		assoc2[i] = new Class;

	// works
	assoc2[i] = new Class;

	writefln("hi");

	return 0;
}

class Class
{
  public:
	this(){}
	int x,y;
}