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Numeric#<=> returns nil unless the receiver is the argument #3263

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Merged
ksss merged 1 commit into from
Oct 27, 2026
+7 −1
Merged

Numeric#<=> returns nil unless the receiver is the argument #3263

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2 changes: 1 addition & 1 deletion core/numeric.rbs
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Original file line number Diff line number Diff line change
Expand Up @@ -237,7 +237,7 @@ class Numeric
#
# No subclass in the Ruby Core or Standard Library uses this implementation.
#
def <=>: (Numeric other) -> Integer
def <=>: (Numeric other) -> Integer?

# <!--
# rdoc-file=numeric.c
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6 changes: 6 additions & 0 deletions test/stdlib/Numeric_test.rb
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Expand Up @@ -5,6 +5,12 @@ class NumericInstanceTest < Test::Unit::TestCase

testing 'Numeric'

def test_op_cmp
numeric = Numeric.new
assert_send_type '(Numeric) -> 0', numeric, :<=>, numeric
assert_send_type '(Numeric) -> nil', numeric, :<=>, Numeric.new
end

def test_real
assert_send_type '() -> Integer', 1, :real
assert_send_type '() -> Float', 1.0, :real
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