Clojurians Log v2

Thanks for all your reply. I'll look them up.

is there any way to generate dynamic args for for

(for [a1 [1 2 3]
      a2 [1 2 3]]
  ;;do sth
  )

(for [a1 [1 2 3]
      a2 [1 2 3]
      ...
      an [1 2 3]
      ]
  ;;do sth
  )

You could write a macro that generates a for expression with a different number of bindings determined at compile time, but instead you might want to consider a function that generates the cross product of its input sequences.

For example, the cartesian-product function in the math.combinatorics library mentioned in the library's README here: https://github.com/clojure/math.combinatorics

@andy.fingerhut thanks for your help

• I want to learn Clojure, where is a good tutorial

try "resources" from https://www.reddit.com/r/Clojure/

There are lots of free resources (some commercial ones too) https://clojure.org/community/resources If you like learning fromvideo, take a look at https://practical.li/ (there are free books too)

101 videos on clojure is enough for getting job ?

Creating all those videos helped me get my current job, I cannot guarantee if it would get anyone else a job :)

If a person can do the first 60 or so challenges on http://4clojure.com and come up with some nice answers for the Clojure track on http://Exercism.io, that would certainly help give a very good grounding in the core Clojure language. Then it just depends on what other esoteric requirements a company as part of their hiring process

@imxingquan https://gist.github.com/yogthos/be323be0361c589570a6da4ccc85f58f

thanks for the answer

for can be built by using map and mapcat

(for [x xs] e) => (map (fn [x] e) es)

(for [x xs y ys] e) => (mapcat (fn [x] (map (fn [y] e) ys)) xs)

Etc