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# encoding: utf-8 require 'y_support' # Object, whose business is to stay local to methods. Optional signature # provides additional level of safety in ensuring object locality. (Signature # accessor is :signature, aliased as :σ, small Greek sigma.) # class LocalObject attr_reader :signature alias σ signature # Optional argument signature provides additional level of safety in # ascertaining that the object indeed is of local origin. # def initialize signature=caller_locations( 1, 1 )[0].label @signature = signature end # True if the (optional) signature matches. # def local_object? signature=caller_locations( 1, 1 )[0].label signature == self.signature end alias ℓ? local_object? end # Object class is patched with #LocalObject (alias L!) constructor, and # #local_object?, alias #ℓ? inquirer. # class Object # LocalObject constructor. # def LocalObject signature=caller_locations( 1, 1 )[0].label LocalObject.new signature end alias L! LocalObject # False for normal objects, overriden in the LocalObject class. # def local_object? signature=nil; false end alias ℓ? local_object? end
Version data entries
22 entries across 22 versions & 1 rubygems