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Avoid copy in metadata levels for loop

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Lovell Fuller 2020-06-16 18:59:20 +01:00
parent fdfc89e577
commit ab015ef90f
1 changed files with 1 additions and 1 deletions
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2
src/metadata.cc
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@ -189,7 +189,7 @@ class MetadataWorker : public Napi::AsyncWorker {
if (!baton->levels.empty()) {
int i = 0;
Napi::Array levels = Napi::Array::New(env, static_cast<size_t>(baton->levels.size()));
for (std::pair<int, int> const l : baton->levels) {
for (std::pair<int, int> const &l : baton->levels) {
Napi::Object level = Napi::Object::New(env);
level.Set("width", l.first);
level.Set("height", l.second);