Always return nil.

lib/console/filter.rb

@@ -37,6 +37,8 @@ def self.[] **levels
 						if self.enabled?(subject, level)
 							@output.call(subject, *arguments, severity: name, **@options, **options, &block)
 						end
+
+						return nil
 					end
 
 					define_immutable_method("#{name}!") do
@@ -150,6 +152,8 @@ def call(subject, *arguments, **options, &block)
 			if self.enabled?(subject, level)
 				@output.call(subject, *arguments, **options, &block)
 			end
+
+			return nil
 		end
 	end
 end

test/console/filter.rb

@@ -66,29 +66,52 @@ def before
 		end
 	end
 
+	with "#info" do
+		it "ignores messages below the level" do
+			logger.level = Console::Logger::INFO
+
+			result = logger.debug(MySubject, "Hello World")
+
+			expect(output).to be(:empty?)
+			expect(result).to be_nil
+		end
+
+		it "logs messages at the level" do
+			logger.level = Console::Logger::INFO
+
+			result = logger.info(MySubject, "Hello World", severity: :info)
+
+			expect(output).to be(:include?, "Hello World")
+			expect(result).to be_nil
+		end
+	end
+
 	with "#call" do
 		it "ignores messages below the level" do
 			logger.level = Console::Logger::INFO
 
-			logger.call(MySubject, "Hello World", severity: :debug)
+			result = logger.call(MySubject, "Hello World", severity: :debug)
 
 			expect(output).to be(:empty?)
+			expect(result).to be_nil
 		end
 
 		it "logs messages at the level" do
 			logger.level = Console::Logger::INFO
 
-			logger.call(MySubject, "Hello World", severity: :info)
+			result = logger.call(MySubject, "Hello World", severity: :info)
 
 			expect(output).to be(:include?, "Hello World")
+			expect(result).to be_nil
 		end
 
 		it "logs messages above the level" do
 			logger.level = Console::Logger::INFO
 
-			logger.call(MySubject, "Hello World", severity: :warn)
+			result = logger.call(MySubject, "Hello World", severity: :warn)
 
 			expect(output).to be(:include?, "Hello World")
+			expect(result).to be_nil
 		end
 	end
 end