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Showing content from https://www.rubydoc.info/github/rubygems/rubygems/Gem/List below:

List – Documentation for rubygems/rubygems (master) – RubyDoc.info

Inherits:

Object

• Object
• Gem::List

show all

Includes:

Enumerable

Defined in:

lib/rubygems/util/list.rb

The Gem::List class is currently unused and will be removed in the next major rubygems version

• #tail ⇒ Object

  Returns the value of attribute tail.

• #value ⇒ Object

  Returns the value of attribute value.

• .prepend(list, value) ⇒ Object

• #each ⇒ Object
• #initialize(value = nil, tail = nil) ⇒ List constructor

  A new instance of List.

• #prepend(value) ⇒ Object
• #pretty_print(q) ⇒ Object

  :nodoc:.

• #to_a ⇒ Object

Returns a new instance of List.

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# File 'lib/rubygems/util/list.rb', line 9

def initialize(value = nil, tail = nil)
  @value = value
  @tail = tail
end

Returns the value of attribute tail.

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# File 'lib/rubygems/util/list.rb', line 7

def tail
  @tail
end

Returns the value of attribute value.

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# File 'lib/rubygems/util/list.rb', line 7

def value
  @value
end

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# File 'lib/rubygems/util/list.rb', line 34

def self.prepend(list, value)
  return List.new(value) unless list
  List.new value, list
end

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# File 'lib/rubygems/util/list.rb', line 14

def each
  n = self
  while n
    yield n.value
    n = n.tail
  end
end

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# File 'lib/rubygems/util/list.rb', line 26

def prepend(value)
  List.new value, self
end

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# File 'lib/rubygems/util/list.rb', line 30

def pretty_print(q)   q.pp to_a
end

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# File 'lib/rubygems/util/list.rb', line 22

def to_a
  super.reverse
end

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