Class: Optimist::BooleanOption

Inherits:
Option
  • Object
show all
Defined in:
lib/optimist.rb

Overview

Flag option. Has no arguments. Can be negated with “no-”.

Instance Attribute Summary

Attributes inherited from Option

#default, #long, #multi_given, #name, #permitted, #permitted_response, #short

Instance Method Summary collapse

Methods inherited from Option

#array_default?, #callback, create, #desc, #doesnt_need_autogen_short, #educate, #format_stdio, #full_description, #multi, #multi_arg?, #opts, #opts=, #permitted_type_valid?, #permitted_valid_string, #permitted_value?, register_alias, #required?, #single_arg?, #type_format, #validate_permitted

Constructor Details

#initialize ⇒ BooleanOption

Returns a new instance of BooleanOption.



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# File 'lib/optimist.rb', line 998

def initialize
  super()
  @default = false
end

Instance Method Details

#flag? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/optimist.rb', line 1002

def flag? ; true ; end

#parse(_paramlist, neg_given) ⇒ Object 



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# File 'lib/optimist.rb', line 1003

def parse(_paramlist, neg_given)
  return(self.name.to_s =~ /^no_/ ? neg_given : !neg_given)
end