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(ns clojure-sql.util
(:require [clojure.set :as set]))
(defn funcall [f & args]
(apply f args))
(defn flip [f]
(fn [& args]
(apply f (reverse args))))
(defn flip-map [m]
(->> m
(map (comp vec reverse))
(into {})))
(defn map-kv [f & maps]
(let [all-keys (into #{} (mapcat keys maps))]
(->> all-keys
(map (fn [key]
(apply f key (map #(get % key) maps))))
(into {}))))
(defn map-vals [f & maps]
(apply map-kv (fn [k & vs]
[k (apply f vs)])
maps))
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