Add bin and edit workflow

bin/gems/fiber-local-1.1.0/lib/fiber/local.rb

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+# frozen_string_literal: true
+
+# Released under the MIT License.
+# Copyright, 2020-2024, by Samuel Williams.
+
+require_relative "local/version"
+require 'fiber/storage'
+
+class Fiber
+	module Local
+		def self.extended(klass)
+			attribute_name = klass.name.gsub('::', '_').gsub(/\W/, '').downcase.to_sym
+			
+			# This is used for the general interface and fiber storage key:
+			klass.instance_variable_set(:@fiber_local_attribute_name, attribute_name)
+			klass.singleton_class.attr :fiber_local_attribute_name
+			
+			# This is used for reading and writing directly to the thread instance variables:
+			klass.instance_variable_set(:@fiber_local_variable_name, :"@#{attribute_name}")
+			
+			Thread.attr_accessor(attribute_name)
+		end
+		
+		# Instantiate a new thread-local object.
+		# By default, invokes {new} to generate the instance.
+		# @returns [Object]
+		def local
+			self.new
+		end
+		
+		# Get the current thread-local instance. Create it if required.
+		# @returns [Object] The thread-local instance.
+		def instance
+			# This is considered a local "override" in the dynamic scope of the fiber:
+			if instance = Fiber[@fiber_local_attribute_name]
+				return instance
+			end
+			
+			# This is generally the fast path:
+			thread = Thread.current
+			unless instance = thread.instance_variable_get(@fiber_local_variable_name)
+				if instance = self.local
+					thread.instance_variable_set(@fiber_local_variable_name, instance)
+				end
+			end
+			
+			return instance
+		end
+		
+		# Assigns to the fiber-local instance.
+		# @parameter instance [Object] The object that will become the thread-local instance.
+		def instance= instance
+			Fiber[@fiber_local_attribute_name] = instance
+		end
+	end
+end