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Prevent "assigned but unused variable" warnings

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This commit is contained in:
Yusuke Endoh 2024-04-04 13:24:09 +09:00
parent fc67091fc8
commit cb30c3d2b3
2 changed files with 10 additions and 0 deletions
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6
test/ruby/test_call.rb
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@ -133,6 +133,9 @@ class TestCall < Test::Unit::TestCase
kw = {}
b = lambda{}
# Prevent "assigned but unused variable" warnings
_ = [h, a, kw, b]
message = /keyword arg given in index/
# +=, without block, non-popped
@ -294,6 +297,9 @@ class TestCall < Test::Unit::TestCase
a = []
kw = {}
# Prevent "assigned but unused variable" warnings
_ = [h, a, kw]
assert_syntax_error(%q{h[*a, 2, b: 5, **kw] += 1}, message)
end

4
test/ruby/test_parse.rb
View file

@ -498,6 +498,10 @@ class TestParse < Test::Unit::TestCase
t = Object.new
a = []
blk = proc {|x| a << x }
# Prevent an "assigned but unused variable" warning
_ = blk
def t.[](_)
yield(:aref)
nil