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Support new numbered parameter syntax _1 instead of @1.

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-10-08 18:49:09 +09:00
parent 72d57ad094
commit 0011652a28
2 changed files with 43 additions and 38 deletions
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test/t/syntax.rb
+5 -5
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@@ -674,9 +674,9 @@ 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]))
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(45, Proc.new do _1 + _2 + _3 + _4 + _5 + _6 + _7 + _8 + _9 end.call(*[1, 2, 3, 4, 5, 6, 7, 8, 9]))
end