The code becomes trivial to factor, because you don't have any named variable references that would need to be changed. If you find a sequence of words you wan

The code becomes trivial to factor, because you don't have any named variable references that would need to be changed. If you find a sequence of words you want to put in a function, you can literally just cut and paste them out. Likewise, you can inline a word just by copypasting its definition in place.