Rename Arguments.empty to Arguments.none

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.