Class: XDG::Pair

Inherits:
Data
  • Object
show all
Defined in:
lib/xdg/pair.rb

Overview

A generic key-value pair (KVP).

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key: nil, value: nil) ⇒ Pair

Returns a new instance of Pair.



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# File 'lib/xdg/pair.rb', line 6

def initialize key: nil, value: nil
  super
end

Instance Attribute Details

#key ⇒ Object (readonly)

Returns the value of attribute key

Returns:

  • (Object) —

    the current value of key



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# File 'lib/xdg/pair.rb', line 5

def key
  @key
end

#value ⇒ Object (readonly)

Returns the value of attribute value

Returns:

  • (Object) —

    the current value of value



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# File 'lib/xdg/pair.rb', line 5

def value
  @value
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xdg/pair.rb', line 14

def empty? = !(key? && value?)

#inspect ⇒ Object 



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# File 'lib/xdg/pair.rb', line 22

def inspect
  type = self.class
  key? || value? ? "#<data #{type} #{key}#{DELIMITER}#{value}>" : "#<data #{type}>"
end

#key? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xdg/pair.rb', line 10

def key? = key.to_s.size.positive?

#to_env ⇒ Object 



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# File 'lib/xdg/pair.rb', line 16

def to_env = {key => value}

#to_s ⇒ Object Also known as: to_str 



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# File 'lib/xdg/pair.rb', line 18

def to_s = key? || value? ? "#{key}#{DELIMITER}#{value}" : ""

#value? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xdg/pair.rb', line 12

def value? = value.to_s.size.positive?