040000 tree ab39222b5da30d438ebf7ba17bdda910272c75c8	scalar-scalar
040000 tree 1495a38da4e5634fab9532bc160a454dbd73dfb8	scalar-vec3
040000 tree 2d531dc964ff6f57b13b3bca797e83692d99daa0	vec3-scalar
040000 tree 8144c19667f308d6c197b1bf2a0758a2731d3ed5	vec3-vec3