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Raise error on failed comparison in sort; ref #4307

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-03-02 15:46:50 +09:00
parent 73091ab202
commit af51119d3a
1 changed files with 10 additions and 2 deletions
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mrblib/array.rb
+10 -2
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@@ -213,7 +213,11 @@ class Array
if left + 1 == right
lval = self[left]
rval = self[right]
if (block&.call(lval, rval) || (lval <=> rval)) > 0
cmp = if block then block.call(lval,rval) else lval <=> rval end
if cmp.nil?
raise ArgumentError, "comparison of #{lval.inspect} and #{rval.inspect} failed"
end
if cmp > 0
self[left] = rval
self[right] = lval
end
@@ -245,7 +249,11 @@ class Array
else
lval = lary[lidx]
rval = self[ridx]
if (block&.call(lval, rval) || (lval <=> rval)) <= 0
cmp = if block then block.call(lval,rval) else lval <=> rval end
if cmp.nil?
raise ArgumentError, "comparison of #{lval.inspect} and #{rval.inspect} failed"
end
if cmp <= 0
self[i] = lval
lidx += 1
else