@thi.ng/lispy/kernel.d.ts

Lightweight, extensible, interpreted Lisp-style DSL for embedding in other projects

export declare const KERNEL = "\n; partial functional application (currying for 1 arg)\n(defn partial (f x) (fn (y) (f x y)))\n\n; partial functional application (currying for 2 args)\n(defn partial2 (f x y) (fn (z) (f x y z)))\n\n; functional composition for 1-arg fns\n(defn comp (f g) (fn (x) (f (g x))))\n\n(defn complement (f) (fn (x) (not (f x))))\n\n; calls f if x is nullish\n(defn fnull? (x f) (if (null? x) (f) x))\n\n; list reduction\n(defn reduce (f acc xs) (if xs (reduce f (f acc (first xs)) (next xs)) acc))\n\n; list transformation (expressed as reduction)\n(defn map (f xs) (reduce (fn (acc x) (concat acc (f x))) (list) xs))\n\n; filter list with predicate function\n(defn filter (f xs) (reduce (fn (acc x) (if (f x) (concat acc x) acc)) (list) xs))\n";
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