Class: RFunk::Lazy

Inherits:

Object

• Object
• RFunk::Lazy

Defined in:

lib/rfunk/lazy.rb

Instance Method Summary

• #created? ⇒ Boolean
• #initialize(lambda) ⇒ Lazy constructor

  A new instance of Lazy.

• #value ⇒ Object

Constructor Details

#initialize(lambda) ⇒ Lazy

Returns a new instance of Lazy.

# File 'lib/rfunk/lazy.rb', line 3

def initialize(lambda)
  @lambda = lambda
  @created = false
end

Instance Method Details

#created? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/rfunk/lazy.rb', line 12

def created?
  created
end

#value ⇒ Object

# File 'lib/rfunk/lazy.rb', line 8

def value
  Option(@value ||= lambda.call.tap { self.created = true  })
end