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author | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2019-07-24 18:19:00 +0300 |
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committer | Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com> | 2019-07-25 11:43:37 +0300 |
commit | 54e3a05d522445307b493937081b5a32cae09361 (patch) | |
tree | 48d822d20a89743ea93dd0fd15a5878b9609d8b4 /src/mbgl/style/expression/compound_expression.cpp | |
parent | 7ce892366d89964a04361201db66bced4dc01dee (diff) | |
download | qtlocation-mapboxgl-upstream/mikhail_avoid_feature_properties_copying.tar.gz |
[core] Avoid copying feature propertiesupstream/mikhail_avoid_feature_properties_copying
Diffstat (limited to 'src/mbgl/style/expression/compound_expression.cpp')
-rw-r--r-- | src/mbgl/style/expression/compound_expression.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mbgl/style/expression/compound_expression.cpp b/src/mbgl/style/expression/compound_expression.cpp index cc1d58025b..34f0f5dea3 100644 --- a/src/mbgl/style/expression/compound_expression.cpp +++ b/src/mbgl/style/expression/compound_expression.cpp @@ -423,7 +423,8 @@ const auto& propertiesCompoundExpression() { }; } std::unordered_map<std::string, Value> result; - const PropertyMap properties = params.feature->getProperties(); + const PropertyMap& properties = params.feature->getProperties(); + result.reserve(properties.size()); for (const auto& entry : properties) { result[entry.first] = toExpressionValue(entry.second); } |