Rename Arguments.empty to Arguments.none

spec/matchers/receive_matcher_spec.cr

@@ -8,7 +8,7 @@ Spectator.describe Spectator::Matchers::ReceiveMatcher do
   let(args_stub) { Spectator::NullStub.new(:test_method, args) }
   let(args_matcher) { described_class.new(args_stub) }
 
-  let(no_args_stub) { Spectator::NullStub.new(:test_method, Spectator::Arguments.empty) }
+  let(no_args_stub) { Spectator::NullStub.new(:test_method, Spectator::Arguments.none) }
   let(no_args_matcher) { described_class.new(no_args_stub) }
 
   double(:dbl, test_method: nil, irrelevant: nil)

spec/spectator/mocks/arguments_spec.cr

@@ -52,7 +52,7 @@ Spectator.describe Spectator::Arguments do
     end
 
     context "when empty" do
-      let(arguments) { Spectator::Arguments.empty }
+      let(arguments) { Spectator::Arguments.none }
 
       it "returns (no args)" do
         is_expected.to eq("(no args)")

src/spectator/dsl/mocks.cr

@@ -435,7 +435,7 @@ module Spectator::DSL
 
     # Returns empty arguments.
     def no_args
-      ::Spectator::Arguments.empty
+      ::Spectator::Arguments.none
     end
   end
 end

src/spectator/mocks/arguments.cr

@@ -23,7 +23,7 @@ module Spectator
     end
 
     # Instance of empty arguments.
-    class_getter empty : AbstractArguments = capture
+    class_getter none : AbstractArguments = capture
 
     # Returns the positional argument at the specified index.
     def [](index : Int)

src/spectator/mocks/method_call.cr

@@ -11,7 +11,7 @@ module Spectator
     getter arguments : AbstractArguments
 
     # Creates a method call.
-    def initialize(@method : Symbol, @arguments : AbstractArguments = Arguments.empty)
+    def initialize(@method : Symbol, @arguments : AbstractArguments = Arguments.none)
     end
 
     # Creates a method call by splatting its arguments.