Class: Numeric

Inherits:

Object

• Object
• Numeric

Defined in:

lib/transparent_nil/numeric.rb

Instance Method Summary

• #substract(other) ⇒ Numeric, NilClass

  Nil-safe substraction.

• #to_nil(*args) ⇒ Numeric, NilClass

  Returns nil if 0.

Instance Method Details

#substract(other) ⇒ Numeric, NilClass

Nil-safe substraction. Returns nil if 0.

Returns:

• (Numeric, NilClass)

# File 'lib/transparent_nil/numeric.rb', line 25

def substract(other)
  return nil if other.nil?
  self - other
end

#to_nil(*args) ⇒ Numeric, NilClass

Returns nil if 0.

Returns:

• (Numeric, NilClass)

# File 'lib/transparent_nil/numeric.rb', line 16

def to_nil(*args)
  return nil  if self == 0
  self
end