Class: SomeClass

Inherits:
OptionClass show all
Defined in:
lib/option.rb

Instance Method Summary collapse

Methods inherited from OptionClass

#==, [], #match

Constructor Details

#initialize(value) ⇒ SomeClass

Returns a new instance of SomeClass.



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# File 'lib/option.rb', line 98

def initialize(value)
  @value = value
end

Instance Method Details

#each(&blk) ⇒ Object 



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# File 'lib/option.rb', line 114

def each(&blk)
  blk.call(get)

  nil
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/option.rb', line 128

def empty?
  false
end

#error(*argv) ⇒ Object 



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# File 'lib/option.rb', line 172

def error(*argv)
  self
end

#exists?(&blk) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/option.rb', line 144

def exists?(&blk)
  !! blk.call(get)
end

#filter(&blk) ⇒ Object 



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# File 'lib/option.rb', line 152

def filter(&blk)
  exists?(&blk) ? self : None
end

#flat_map(&blk) ⇒ Object 



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# File 'lib/option.rb', line 136

def flat_map(&blk)
  assert_option(blk.call(get))
end

#flatten ⇒ Object 



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# File 'lib/option.rb', line 165

def flatten
  case get
    when OptionClass then get.flatten
    else self
  end
end

#fold(if_empty, &blk) ⇒ Object 



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# File 'lib/option.rb', line 140

def fold(if_empty, &blk)
  blk.call(get)
end

#get ⇒ Object 



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# File 'lib/option.rb', line 106

def get
  @value
end

#get_or_else(&blk) ⇒ Object 



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# File 'lib/option.rb', line 110

def get_or_else(&blk)
  get
end

#include?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/option.rb', line 148

def include?(value)
  get == value
end

#inside(&blk) ⇒ Object 



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# File 'lib/option.rb', line 156

def inside(&blk)
  blk.call(get)
  self
end

#map(&blk) ⇒ Object 



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# File 'lib/option.rb', line 132

def map(&blk)
  self.class.new(blk.call(get))
end

#or_else(&blk) ⇒ Object 



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# File 'lib/option.rb', line 161

def or_else(&blk)
  self
end

#or_nil ⇒ Object 



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# File 'lib/option.rb', line 120

def or_nil
  get
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/option.rb', line 124

def present?
  true
end

#to_a ⇒ Object 



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# File 'lib/option.rb', line 102

def to_a
  [get]
end