From 6e70556e397f58783208e20cca18e0b8ed6bbdf2 Mon Sep 17 00:00:00 2001
From: Vitor Oliveira <vbrazo@gmail.com>
Date: Wed, 28 Apr 2021 18:33:20 -0700
Subject: [PATCH] use elsif instead

---
 maths/factorial_non_recursive_non_iterative.rb | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/maths/factorial_non_recursive_non_iterative.rb b/maths/factorial_non_recursive_non_iterative.rb
index f19f4ad..f992a92 100644
--- a/maths/factorial_non_recursive_non_iterative.rb
+++ b/maths/factorial_non_recursive_non_iterative.rb
@@ -9,12 +9,11 @@
 def factorial(number)
   if number < 0
     "Please check your input number! The given number is a negative number."
+  elsif number == 0
+    "The factorial of #{number} is 1."
   else
-    if number == 0
-      "The factorial of #{number} is 1."
-    else
-      "The factorial of #{number} is #{(1..number).inject(:*)}."
-    end
+    result = (1..number).inject(:*)
+    "The factorial of #{number} is #{result}."
   end
   rescue
     "Error: Please provide integer only!"