I can't think of any language that has this as a feature. But there are some nice libraries for assembling machine code at runtime - there was one I used called

I can't think of any language that has this as a feature. But there are some nice libraries for assembling machine code at runtime - there was one I used called "softwire" that seems to have disappeared. I just found this one on github: https://github.com/kobalicek/asmjit https://github.com/kobalicek/asmjit