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[run_set] fix invalid iterator operations (#113)

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Ming-Hung Tsai 2018-09-05 18:21:09 +08:00 committed by Joe Thornber
parent 9837feaee5
commit 788f507e46
1 changed files with 4 additions and 4 deletions
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8
persistent-data/run_set.h
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@ -64,13 +64,13 @@ namespace base {
typename rset::const_iterator it = runs_.lower_bound(run<T>(v)); typename rset::const_iterator it = runs_.lower_bound(run<T>(v));
if (it->begin_ == v) if (it != runs_.end() && it->begin_ == v)
return true; return true;
it--; if (it != runs_.begin()) {
it--;
if (it != runs_.end())
return it->contains(v); return it->contains(v);
}
return false; return false;
} }