meta: add utilities to evaluate metafunctions
meta: add utilities to evaluate metafunctions

lyrl/atria,AbletonAG/atria,AbletonAG/atria,kod3r/atria,kod3r/atria,bowlofstew/atria,manashmndl/atria,iankronquist/atria,lyrl/atria,dodheim/atria,iankronquist/atria,shaunstanislaus/atria,dodheim/atria,Ableton/atria,kod3r/atria,AbletonAG/atria,bowlofstew/atria,iankronquist/atria,dodheim/atria,shaunstanislaus/atria,respu/atria,Ableton/atria,shaunstanislaus/atria,manashmndl/atria,Ableton/atria,manashmndl/atria,lyrl/atria,respu/atria,respu/atria,bowlofstew/atria