Internal define is awesome.
On Fri, Nov 2, 2012 at 4:17 PM, Matthias Felleisen <[email protected]>wrote: > > I guess we should take this also as a confirmation of the style guide :-) > > > On Nov 2, 2012, at 5:05 PM, Danny Yoo wrote: > > > I was just looking at exercise 2.64 of SICP, one that creates a BST out > of an ordered list of elements: > > > > > http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-16.html#%_thm_2.64 > > > > However, because of all the nested lets, I have to admit that I was > having a hard time reading it! > > > > So I rewrote it with the Racket style guidelines in mind > http://www.ccs.neu.edu/home/matthias/Style/style/Choosing_the_Right_Construct.html#(part._.Definitions) > > > > > > The rewritten code is: > > > > https://gist.github.com/4004224 > > > > with the following changes: > > > > 1. Rewrote the packing/unpacking of 2-tuple lists in partial-tree with > multiple values. > > > > 2. Replaced nested lets with defines. > > > > 3. Reordered some of the variables definitions to highlight > relationships. > > > > > > I thought the function itself was neat, and just wanted to share. > > ____________________ > > Racket Users list: > > http://lists.racket-lang.org/users > > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users > > -- Grant Rettke | ACM, AMA, COG, IEEE [email protected] | http://www.wisdomandwonder.com/ Wisdom begins in wonder. ((λ (x) (x x)) (λ (x) (x x)))
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