cgutshal/CS472 — comment on commit bf6d9f927278938f24e4938a9419bf9d3348f2c6
File:  line 0
By cgutshal:

You don't need to declare the dotimes variable in an enclosing let -- dotimes declares the variable locally for you. The dotimes variable is local only to the dotimes scope -- when dotimes exits, the variable's value resumes its previous setting (or none at all). Source: http://goo.gl/7I3BC