Class: Patme::Arguments::Optional

Inherits:

Object

• Object
• Patme::Arguments::Optional

Defined in:

lib/patme/arguments/optional.rb

Instance Method Summary

• #==(other) ⇒ Object
• #any? ⇒ Boolean
• #get_value(*given) ⇒ Object

  *given is an array to distinguish cases with no value or nil.

• #initialize(default_value) ⇒ Optional constructor

  A new instance of Optional.

• #optional? ⇒ Boolean
• #specific? ⇒ Boolean

Constructor Details

#initialize(default_value) ⇒ Optional

Returns a new instance of Optional.

# File 'lib/patme/arguments/optional.rb', line 4

def initialize(default_value)
  @default_value = default_value
end

Instance Method Details

#==(other) ⇒ Object

# File 'lib/patme/arguments/optional.rb', line 13

def ==(other)
  true
end

#any? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/patme/arguments/optional.rb', line 17

def any?; false; end

#get_value(*given) ⇒ Object

*given is an array to distinguish cases with no value or nil

# File 'lib/patme/arguments/optional.rb', line 9

def get_value(*given)
  given.size == 1 ? given.first : @default_value
end

#optional? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/patme/arguments/optional.rb', line 18

def optional?; true; end

#specific? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/patme/arguments/optional.rb', line 19

def specific?; false; end