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mate-clj

Mate-clj is a Clojure library that will help you to control the flow of core macros and functions and will help you debug your code out of the box.

  • The functionality of the macros and functions will remain the same.
  • Every step of the flow will be printed to the REPL.

Clojars Project

Getting Started:

Add the dependency to your project.clj:

[mate-clj "0.1.9"]

Usage Example:

user=> (require '[mate-clj.core :as mate])
user=> (def m {:body "flow test"})
user=> (mate/d-> m
                :body ;step #1
                (clojure.string/upper-case) ;step #2
                (clojure.string/reverse)) ;step #3
(:body m) => "flow test" ;step #1 result 
(clojure.string/upper-case (:body m)) => "FLOW TEST" ;step #2 result
(clojure.string/reverse (clojure.string/upper-case (:body m))) => "TSET WOLF" ;step #3 result
"TSET WOLF" ;the returned value

user=> (mate/dreduce + [1 3 5 7 9])
(#function[clojure.core/+] 1 3) => 4
(#function[clojure.core/+] 4 5) => 9
(#function[clojure.core/+] 9 7) => 16
(#function[clojure.core/+] 16 9) => 25
25 ;the returned value

user=> (mate/dcond->> 1
                      true inc
                      (= 3 2) (* 42)
                      true (+ 100)
                      (= 2 2) (* 9))
(inc 1) => 2
(+ 100 (inc 1)) => 102
(* 9 (+ 100 (inc 1))) => 918
918 ;the returned value

user=> (mate/das-> 1 n
                   (* 2 n)
                   (+ n n)
                   (+ n 2 3 4))
n => 1
(* 2 n) => 2
(+ n n) => 4
(+ n 2 3 4) => 13
13 ;the returned value

user=> (mate/dfilter even? [1  2  3  4  5  6])
#function[clojure.core/even?] 1 => false
#function[clojure.core/even?] 2 => true
#function[clojure.core/even?] 3 => false
#function[clojure.core/even?] 4 => true
#function[clojure.core/even?] 5 => false
#function[clojure.core/even?] 6 => true
(2 4 6) ;the returned value

(mate/dtake-while neg? [-2 -1 0 1 2 3])
#function[clojure.core/neg?] -2 => true
#function[clojure.core/neg?] -1 => true
#function[clojure.core/neg?] 0 => false
(-2 -1) ;the returned value

(mate/ddrop-while neg? [-1 -2 -6 -7 1 2 3 4 -5 -6 0 1])
#function[clojure.core/neg?] -1 => true
#function[clojure.core/neg?] -2 => true
#function[clojure.core/neg?] -6 => true
#function[clojure.core/neg?] -7 => true
#function[clojure.core/neg?] 1 => false
(1 2 3 4 -5 -6 0 1) ;the returned value

(mate/dsplit-with (partial > 3) [1 2 3 2 1])
#function[clojure.core/partial/fn--5824] 1 => true
#function[clojure.core/partial/fn--5824] 2 => true
#function[clojure.core/partial/fn--5824] 3 => false
#function[clojure.core/partial/fn--5824] 1 => true
#function[clojure.core/partial/fn--5824] 2 => true
#function[clojure.core/partial/fn--5824] 3 => false
[(1 2) (3 2 1)] ;the returned value

(mate/dkeep (fn [x] (if (< 0 x) x nil)) [1 2 3 4 5 -10])
#function[user/eval15658/fn--15659] 1 => 1
#function[user/eval15658/fn--15659] 2 => 2
#function[user/eval15658/fn--15659] 3 => 3
#function[user/eval15658/fn--15659] 4 => 4
#function[user/eval15658/fn--15659] 5 => 5
#function[user/eval15658/fn--15659] -10 => nil
(1 2 3 4 5)  ;the returned value

(mate/dkeep-indexed #(if (odd? %1) %2 nil) [1 2 3 4 5])
#function[user/eval15654/fn--15655] 0 1 => nil
#function[user/eval15654/fn--15655] 1 2 => 2
#function[user/eval15654/fn--15655] 2 3 => nil
#function[user/eval15654/fn--15655] 3 4 => 4
#function[user/eval15654/fn--15655] 4 5 => nil
(2 4) ;the returned value

(mate/devery? #{1 2} [1 2 3])
#{1 2} 1 => 1
#{1 2} 2 => 2
#{1 2} 3 => false
false ;the returned value

(mate/dnot-every? #{1 2} [1 2 3])
#{1 2} 1 => 1
#{1 2} 2 => 2
#{1 2} 3 => false
true ;the returned value

((mate/devery-pred number? even? pos?) 4 6 8 9)
#function[clojure.core/number?] 4 => true
#function[clojure.core/number?] 6 => true
#function[clojure.core/number?] 8 => true
#function[clojure.core/even?] 4 => true
#function[clojure.core/even?] 6 => true
#function[clojure.core/even?] 8 => true
#function[clojure.core/pos?] 4 => true
#function[clojure.core/pos?] 6 => true
#function[clojure.core/pos?] 8 => true
#function[mate-clj.core/devery-pred/ep3--9552/fn--9612] 9 => false
false ;the returned value

License

MIT

Contributing

PRs are always welcome!

Can you improve this documentation? These fine people already did:
dborinsk, Dana Borinski, ahron levi & dana
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