#### History of Idiom 54 > diff from v30 to v31

Edit summary for version 31 :

New Clojure implementation by user [escherize]

New Clojure implementation by user [escherize]

↷

#### Version 30

2019-09-26, 14:18:17

#### Version 31

2019-09-26, 14:53:38

# Idiom #54 Compute sum of integers

Calculate the sum s of integer list x.

# Idiom #54 Compute sum of integers

Calculate the sum s of integer list x.

##### Code

(defn sum [xs] (reduce + xs)) (sum [1 20 300]) ;;=> 123

##### Comments bubble

xs is a collection of integers.