import std.stdio;

struct Tensor(T, Dims...) {
}

void foo(T, alias M)(Tensor!(T, M)) {
  writeln("I match vectors");
}

void foo(T, alias M, alias N)(Tensor!(T, M, N)) {
  writeln("I match matrices");
}

void foo(T, alias M, alias N, alias O)(Tensor!(T, M, N, O)) {
  writeln("I match cubes");
}

void main() {
  foo(Tensor!(int, 3)());
  foo(Tensor!(int, 3, 5)());
  foo(Tensor!(int, 3, 5, 7)());
}