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Let String#slice! return nil (#3533)

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Returns `nil` instead of an empty string when non-integer number is given (to make it 2.7 compatible).
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Soutaro Matsumoto 2020-09-11 14:34:10 +09:00 • committed by GitHub
parent 0d78390bfb
commit f0ddbd502c
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Notes: git 2020-09-11 14:34:35 +09:00 
Merged-By: soutaro <matsumoto@soutaro.com>
2 changed files with 6 additions and 1 deletions
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test/ruby/test_string.rb
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@ -1588,8 +1588,10 @@ CODE
a = S("FooBar")
if @aref_slicebang_silent
assert_nil( a.slice!(6) )
assert_nil( a.slice!(6r) )
else
assert_raise(IndexError) { a.slice!(6) }
assert_raise(IndexError) { a.slice!(6r) }
end
assert_equal(S("FooBar"), a)