Erlang List Sum Method

Erlang List

Return the sum of elements in the list.

Syntax

sum(lst)

Parameter

• Lst −Element List.

Return Value

Return the sum of elements in the list.

-module(helloworld).　
-import(lists,[sum/1]).　
-export([start/0]).　
start()　->　
　　　Lst1　=　[5,6,4],　
　　　io:fwrite("~p~n",[sum(Lst1)]).

When we run the above program, we will get the following results.

15

Erlang List