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Versions: 91
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Contents
module Mandy
class Tuple
SEPERATOR = ',' unless defined?(SEPERATOR)
attr_accessor :name, :value
def initialize(name, value, name_accessor = nil, value_accessor = nil)
@name, @value = name, value
alias_accessor(name_accessor, :name) unless name_accessor.nil?
alias_accessor(value_accessor, :value) unless value_accessor.nil?
end
def to_s
%(#{@name}#{SEPERATOR}#{@value})
end
def self.from_s(str)
parts = str.split(SEPERATOR)
raise "Can't create tuple from #{str.inspect}. Format should be 'A#{SEPERATOR}B'" unless parts.size==2
new(*parts)
end
def inspect
%(<Tuple #{self.to_s}>)
end
def ==(other)
return false unless self.class == other.class
self.name == other.name && self.value == other.value
end
private
def alias_accessor(new_accessor, old_accessor)
self.class.send(:alias_method, new_accessor, old_accessor)
self.class.send(:alias_method, :"#{new_accessor}=", :"#{old_accessor}=")
end
end
end
Version data entries
91 entries across 91 versions & 2 rubygems