Class: Enumerating::Filter

Inherits:

Object

• Object
• Enumerating::Filter

Includes:

Enumerable

Defined in:

lib/enumerating/filtering.rb

Instance Method Summary

• #each ⇒ Object
• #initialize(&generator) ⇒ Filter constructor

  A new instance of Filter.

Methods included from Enumerable

#[], #collecting, #dropping, #dropping_while, #prefetching, #rejecting, #selecting, #taking, #taking_while, #threading, #uniqing, #uniqing_by

Constructor Details

#initialize(&generator) ⇒ Filter

Returns a new instance of Filter.

# File 'lib/enumerating/filtering.rb', line 9

def initialize(&generator)
  @generator = generator
end

Instance Method Details

#each ⇒ Object

# File 'lib/enumerating/filtering.rb', line 13

def each
  return to_enum unless block_given?
  yielder = proc { |x| yield x }
  @generator.call(yielder)
end