Implement numbered parameters

1 files changed, 9 insertions, 0 deletions

diff --git a/test/t/syntax.rb b/test/t/syntax.rb
index 2740789ae..1dca8fd24 100644
--- a/test/t/syntax.rb
+++ b/test/t/syntax.rb
@@ -671,3 +671,12 @@ assert 'keyword arguments' do
   assert_equal([1, 1, :c], m(c: :c))
   assert_equal([:a, nil, :c], m(a: :a, c: :c))
 end
+
+
+assert('numbered parameters') do
+  assert_equal(15, [1,2,3,4,5].reduce {@1+@2})
+  assert_equal(3, ->{@1+@2}.call(1,2))
+  assert_equal(4, ->(a=->{@1}){a}.call.call(4))
+  assert_equal(5, -> a: ->{@1} {a}.call.call(5))
+  assert_equal(55, Proc.new do @1 + @2 + @3 + @4 + @5 + @6 + @7 + @8 + @9 + @10 end.call(*[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]))
+end