Add bin and edit workflow

bin/gems/metrics-0.12.1/lib/metrics/provider.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+# Released under the MIT License.
+# Copyright, 2021-2024, by Samuel Williams.
+
+require_relative "backend"
+
+module Metrics
+	# @returns [Boolean] Whether there is an active backend.
+	def self.enabled?
+		Backend.const_defined?(:Interface)
+	end
+	
+	module Provider
+	end
+	
+	# A module which contains tracing specific wrappers.
+	module Singleton
+		def metrics_provider
+			@metrics_provider ||= Module.new
+		end
+	end
+	
+	private_constant :Singleton
+	
+	# Bail out if there is no backend configured.
+	if self.enabled?
+		# Extend the specified class in order to emit traces.
+		def self.Provider(klass, &block)
+			klass.extend(Singleton)
+			provider = klass.metrics_provider
+			klass.prepend(provider)
+			
+			provider.module_exec(&block) if block_given?
+			
+			return provider
+		end
+		
+		Config::DEFAULT.prepare
+	else
+		def self.Provider(klass, &block)
+			# Metrics disabled.
+		end
+	end
+end