all I want to do is increment ‘i’ as list elements go, but it seems that sequence starts from ‘1’ as incrementing go first (?) (fn [lst] (doseq [i (for [i (range (count lst))] (inc i))] (println i) )) All I want to get is ‘0’ for 1-range list, but it returns ‘1’. I tried… Read More Clojure – launch 'for i in range(0, x)' (begin ques)
I have been stuck on this one for a while and cant figure it out. Why is the function not evaluating for values greater or equal than 2? It works fine for values under it but anything above and it just prints the output seen in the pic ((fn fib ([x] (cond (zero? x) []… Read More Why is this function not evaluating
I have a function (read-line), which asks the user for an input, but i want to write a test, where i determine, what the user uses as input. I would need a function, that returns 1, when called and 5, when called a second time and so on. Basically, i have a vector of numbers… Read More How to create a function returning the next list element after it is called in clojure
I need to give an output like this: /Fotos/Azoren-2018/buffet /Fotos/Azoren-2018/restaurant/dc /Fotos/Azoren-2018/restaurant/dc-41.jpg /Fotos/Azoren-2018/restaurant/dc-42.jpg /Fotos/Azoren-2018/restaurant/dc-43.jpg /Fotos/Mallorca-2017/dc-10.jpg /Fotos/Mallorca-2017/dc-11.jpg /Fotos/Mallorca-2017/dc-19.jpg But I think my output is a set: #{"/Fotos/Mallorca-2017/dc-10.jpg" "/Fotos/Azoren-2018/buffet" "/Fotos/Azoren-2018/restaurant/dc-43.jpg" "/Fotos/Azoren-2018/restaurant/dc-42.jpg" "/Fotos/Mallorca-2017/dc-19.jpg" "/Fotos/Azoren-2018/restaurant/dc-41.jpg" "/Fotos/Mallorca-2017/dc-11.jpg" "/Fotos/Azoren-2018/restaurant/dc"} Here is my code: (ns dirdiff.core (:gen-class)) (require ‘[clojure.set]) (defn no-prefix [prefix] (comp (filter #(clojure.string/starts-with? % prefix)) (map #(subs % (count prefix))))) (defn… Read More How to Output a Set as Simple Strings?
When I declare a global Var like: (def x 100) I get the following output – => #’tutorial.core/x I can understand that the ‘tutorial.core/x is a symbol here, but what is the meaning of #? >Solution : It is a reader macro. That is, it is shorthand for typing (var tutorial.core/x) or just (var x)… Read More What is the meaning of # in front of Clojure symbol?
I’am new to clojure and i wrote this func: (def fact (fn [n] ( (apply * (drop 1 (range n)))))) When calling it i get the error: ClassCastException class java.lang.Long cannot be cast to class clojure.lang.IFn (java.lang.Long is in module java.base of loader ‘bootstrap’; clojure.lang.IFn is in unnamed module of loader ‘app’) my-stuff.core/fact (form-init3352210926102455316.clj:18) Why?… Read More What's wrong with this Clojure function?