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perf: avoid std::advance in cache.cc (#7025)

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Yat Ho 2024-08-13 08:03:02 +08:00 committed by GitHub
parent fe385259cc
commit 35ef8cf7a0
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1 changed files with 2 additions and 3 deletions
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libtransmission/cache.cc
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@ -48,16 +48,15 @@ std::pair<Cache::CIter, Cache::CIter> Cache::find_biggest_span(CIter const begin
for (auto span_begin = begin; span_begin < end;) for (auto span_begin = begin; span_begin < end;)
{ {
auto span_end = find_span_end(span_begin, end); auto span_end = find_span_end(span_begin, end);
auto const len = std::distance(span_begin, span_end);
if (len > biggest_len) if (auto const len = std::distance(span_begin, span_end); len > biggest_len)
{ {
biggest_begin = span_begin; biggest_begin = span_begin;
biggest_end = span_end; biggest_end = span_end;
biggest_len = len; biggest_len = len;
} }
std::advance(span_begin, len); span_begin = span_end;
} }
return { biggest_begin, biggest_end }; return { biggest_begin, biggest_end };