Write a function that uses recursion to return the number of words in a string.

words.erl

-module(words).
-export([strlen/1]).
%Assignment: Write a function that uses recursion to return the number of words in a string.

% If we send an empty list, return 0.
strlen([]) -> 0;
%Entry point for this module
strlen(Sentence) -> count(Sentence, 1).
 %Base case. When its finally empty return the sum count.
 count([], Count) -> Count;
 %Use a pattern with 32 (ascii 32 is a space) and keep calling untill you hit the above method.
 count([32|Tail], Count) -> count(Tail, Count + 1);
 %This method takes the last character saves it as a variable called Tail and calls count.
 %The _ is because we don't care about the first part.
 count([_|Tail], Count) -> count(Tail, Count).