Create exception.rb

Author: dpksingh24

exception.rb

@@ -0,0 +1,52 @@
+# def divider(n1, n2)
+#   begin
+#     n1 / n2
+#   rescue => exception
+#     puts exception
+#   end
+# end
+
+# puts divider(10,0)
+
+# but if i pass the 3 digit to the divider then the exception is not working
+# so i also need to check the exception for the main block
+
+# begin
+#   puts divider(10,0,1)
+
+# rescue => exception
+#   puts exception
+#   puts exception.class
+#   puts exception.message
+#   puts exception.backtrace
+# end
+
+
+
+#raising own error and customize them
+# def string_validator(input)
+#   if input.class != String
+#     # raise StandardError, "invalid string: #{input.inspect}"
+#     raise StandardError.new("invalid string: #{input.inspect} ")
+#   end
+#   return input
+# end
+# puts string_validator(9)
+# puts string_validator("i am string")
+
+
+class StringError < StandardError
+  def initialize
+    super("this input is not a string ")
+  end
+end
+
+def string_validator(input)
+  if input.class != String
+    raise  StringError
+  end
+  return input
+end
+puts string_validator(9)
+# puts string_validator("i am string")
+