JanetDocsPlayground I'm feeling luckyGitHub sign in

->>



    macro
    boot.janet on line 1134, column 1

    (->> x & forms)

    Threading macro. Inserts x as the last value in the first form in
    forms, and inserts the modified first form into the second form in
    the same manner, and so on. Useful for expressing pipelines of data.

2 examplesSign in to add an example

(->> 
  (string/split " " "this  is an  example yes, an example")
  (filter (complement empty?))
  (frequencies))
# -> @{"is" 1 "example" 2 "yes," 1 "an" 2 "this" 1}

# same as:
(frequencies
  (filter
    (complement empty?)
    (string/split " " "this  is an  example yes, an example")))

felixrPlayground

(->  1 (< 2))   # -> true
(->> 1 (< 2))   # -> false

cellularmitosisPlayground