tvl-depot/users/sterni/nix/fun/default.nix

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{ depot, lib, ... }:
let
inherit (lib)
id
;
# Simple function composition,
# application is right to left.
rl = f1: f2:
(x: f1 (f2 x));
# Compose a list of functions,
# application is right to left.
rls = fs:
builtins.foldl' (fOut: f: lr f fOut) id fs;
# Simple function composition,
# application is left to right.
lr = f1: f2:
(x: f2 (f1 x));
# Compose a list of functions,
# application is left to right
lrs = x: fs:
builtins.foldl' (v: f: f v) x fs;
in
{
inherit (lib)
fix
flip
const
;
inherit
id
rl
rls
lr
lrs
;
}