Implement some~> and some~>> (resolves #27)

greghendershott / rackjure

Provide a few Clojure-inspired ideas in Racket. Where Racket and Clojure conflict, prefer Racket.

BSD 2-Clause "Simplified" License

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Closed qerub closed 10 years ago

qerub commented 10 years ago

Here we go.

It ended up really nice:

(define-syntax some~>>
  (threading-syntax-parser
   (lambda (form nested-form)
     #`(if-let [tmp #,nested-form] (~>> tmp #,form) #f))))

qerub commented 10 years ago

Wait, I should update README.md as well.

qerub commented 10 years ago

OK, done! :)

greghendershott commented 10 years ago

Merged -- thanks!!