lib/gem_calculating.rb in gem_calculating-0.1.0 vs lib/gem_calculating.rb in gem_calculating-0.1.1

@@ -1,41 +1,44 @@
-# frozen_string_literal: true
-
-require_relative "gem_calculating/version"
-
-# Calculator gem
-module GemCalculating
-  # Class for calculating
-  class Calculator
-    # Adds two numbers
-    def self.add(num1, num2) 
-      num1 + num2
-    rescue StandardError
-      nil
-    end
-    # Subtract two numbers
-    def self.subtract(num1, num2)
-      num1 - num2
-    rescue StandardError
-    nil
-    end
-    #Multiply two numbers
-    def self.multiply(num1, num2)
-      num1 * num2
-    rescue StandardError
-      nil
-    end
-    #Divide two numbers
-    def self.divide(num1, num2)
-      num1 / num2
-    rescue StandardError
-      nil
-    end
-
-    private_class_method def self.validate_numbers(num1, num2)
-      num1.is_a?(String) or num2.is_a?(String)
-    end
-  end
-
-  # class Error < StandardError; end
-  # Your code goes here...
-end
+# frozen_string_literal: true
+
+require_relative "gem_calculating/version"
+
+# Calculator gem
+module GemCalculating
+  # Class for calculating
+  class Calculator
+    # Adds two numbers
+    def self.add(num1, num2)
+      if validate_numbers(num1, num2) == true
+        return puts "Numbers is not valid"
+      end
+      num1 + num2
+    rescue StandardError
+      nil
+    end
+    # Subtract two numbers
+    def self.subtract(num1, num2)
+      num1 - num2
+    rescue StandardError
+    nil
+    end
+    # Multiply two numbers
+    def self.multiply(num1, num2)
+      num1 * num2
+    rescue StandardError
+      nil
+    end
+    # Divide two numbers
+    def self.divide(num1, num2)
+      num1 / num2
+    rescue StandardError
+      nil
+    end
+
+    private_class_method def self.validate_numbers(num1, num2)
+      num1.is_a?(String) or num2.is_a?(String)
+    end
+  end
+
+  # class Error < StandardError; end
+  # Your code goes here...
+end