Class: Integer

Inherits:

Object

• Object
• Integer

Defined in:

lib/dm_ruby_extensions/extend_integer.rb

Instance Method Summary

• #as_boolean ⇒ Object

  ——————————————————————————.

• #factorial ⇒ Object

  Factorial of number 5.factorial == 5 x 4 x 3 x 2 x 1 == 120 ——————————————————————————.

Instance Method Details

#as_boolean ⇒ Object

---

# File 'lib/dm_ruby_extensions/extend_integer.rb', line 14

def as_boolean
  positive? ? true : false
end

#factorial ⇒ Object

Factorial of number 5.factorial == 5 x 4 x 3 x 2 x 1 == 120

---

# File 'lib/dm_ruby_extensions/extend_integer.rb', line 7

def factorial
  return 1 if zero?

  (1..self).inject(:*)
end