Class: TfgSupport::Sequence

Inherits:

Object

• Object
• TfgSupport::Sequence

Defined in:

lib/tfg_support/sequence.rb

Instance Method Summary

• #initialize(args, &block) ⇒ Sequence constructor

  A new instance of Sequence.

• #next ⇒ Object

  return the next element in the sequence.

Constructor Details

#initialize(args, &block) ⇒ Sequence

Returns a new instance of Sequence.

# File 'lib/tfg_support/sequence.rb', line 4

def initialize(args, &block)
  @current_value, @generator = args, block
end

Instance Method Details

#next ⇒ Object

return the next element in the sequence

# File 'lib/tfg_support/sequence.rb', line 10

def next
  @current_value = @generator.call(@current_value) if @called
  @called = true
  @current_value
end