// fixed it
import std.stdio;
import gfm.math.matrix;

void test(T...)(T types)
{
    best!(T)(types);
}

void best(T...)(T[] types)
{
    foreach(t ; types)
    {
        writefln("%s: %s", typeof(t).stringof, t.sizeof);
    }
}

void main()
{
    float foo;
    mat4x4f bar;
    float[3] baz;
    bar.c[0][0] = 25.0f;
    test!(typeof(foo), typeof(bar), typeof(baz))(foo, bar, baz);
}