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afl Build Status

a lang-extension for adding rackjure-like anonymous function literals to a language, based on at-exp and rackjure

documentation: https://docs.racket-lang.org/afl/index.html

Example:

#lang afl racket/base
(map #λ(+ % 1) '(1 2 3)) ;=> '(2 3 4)

Comparison with similar packages / alternatives:

Package Example Multi-Args Holes in Sub-exprs?
afl (map #λ(+ % 1) (list 1 2 3)) %1, %2 etc. Yes: #λ(+ (* 3 %) 1)
aful (map #λ(+ % 1) (list 1 2 3)) %1, %2 etc. Yes: #λ(+ (* 3 %) 1)
fancy-app (map (+ _ 1) (list 1 2 3)) _, _ in same order No.
compose-app/fancy-app (map (+ _ 1) (list 1 2 3)) _, _ in same order No, but (+ _ 1 .. * 3 _)
curly-fn (map #{+ % 1} (list 1 2 3)) %1, %2 etc. Yes: #{+ (* 3 %) 1}
rackjure (map #λ(+ % 1) (list 1 2 3)) %1, %2 etc. Yes: #λ(+ (* 3 %) 1)
srfi/26 (map (cut + <> 1) (list 1 2 3)) <>, <> in same order No.