Delete unused type params

Author: soutaro

core/enumerable.rbs

@@ -384,7 +384,7 @@ module Enumerable[unchecked out Elem]: _Each[Elem]
   def filter_map: [U] () { (Elem elem) -> (nil | false | U) } -> ::Array[U]
                 | () -> ::Enumerator[Elem, ::Array[untyped]]
 
-  def chain: (*self enumerables) -> ::Enumerator::Chain[Elem, ::Array[self]]
+  def chain: (*self enumerables) -> ::Enumerator::Chain[Elem]
 
   def tally: () -> ::Hash[Elem, Integer]
 

core/enumerator.rbs

@@ -242,7 +242,7 @@ class Enumerator[unchecked out Elem, out Return] < Object
                  | [U] (U arg0) -> ::Enumerator[[ Elem, U ], Return]
 end
 
-class Enumerator::Generator[out Elem, out Return] < Object
+class Enumerator::Generator[out Elem] < Object
   include Enumerable[Elem]
 end
 
@@ -257,6 +257,6 @@ class Enumerator::Yielder < Object
   def to_proc: () -> Proc
 end
 
-class Enumerator::Chain[out Elem, out Return] < Object
+class Enumerator::Chain[out Elem] < Object
   include Enumerable[Elem]
 end

test/rbs/cli_test.rb

@@ -74,7 +74,7 @@ def test_ancestors
       cli.run(%w(-r set ancestors ::Set))
       assert_equal <<-EOF, stdout.string
 ::Set[A]
-::Enumerable[A, self]
+::Enumerable[A]
 ::Object
 ::Kernel
 ::BasicObject
@@ -85,7 +85,7 @@ def test_ancestors
       cli.run(%w(-r set ancestors --instance ::Set))
       assert_equal <<-EOF, stdout.string
 ::Set[A]
-::Enumerable[A, self]
+::Enumerable[A]
 ::Object
 ::Kernel
 ::BasicObject

test/stdlib/Enumerable_test.rb

@@ -134,7 +134,7 @@ def each
     end
   end
 
-  testing "::Enumerable[String, TestEnumerable]"
+  testing "::Enumerable[String]"
 
   def test_inject
     assert_send_type "(String init, Symbol method) -> untyped", TestEnumerable.new, :inject, '', :<<