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authorDane Springmeyer <dane@mapbox.com>2016-08-31 15:33:43 -0700
committerGitHub <noreply@github.com>2016-08-31 15:33:43 -0700
commitbe08c79b6ffc8062ed3bf73b2534d267c5000ab1 (patch)
tree3618db9cb6a165f61ce43a3c471ce5f8985240fe /include/mbgl/style
parentfcee1a85cdff8f323d86378edf7c180a17329eb4 (diff)
downloadqtlocation-mapboxgl-be08c79b6ffc8062ed3bf73b2534d267c5000ab1.tar.gz
update filter doc usage example (#6202)
Diffstat (limited to 'include/mbgl/style')
-rw-r--r--include/mbgl/style/filter_evaluator.hpp7
1 files changed, 2 insertions, 5 deletions
diff --git a/include/mbgl/style/filter_evaluator.hpp b/include/mbgl/style/filter_evaluator.hpp
index 793abe6da0..cf9877da26 100644
--- a/include/mbgl/style/filter_evaluator.hpp
+++ b/include/mbgl/style/filter_evaluator.hpp
@@ -9,14 +9,11 @@ namespace mbgl {
namespace style {
/*
- A visitor that evaluates a `Filter` for a given feature type and properties. For maximum
- flexibility, it is templated on the PropertyAccessor type, which must be a callable type with
- function signature `optional<Value> (const std::string&)`, returning the value for the given
- key, if it exists.
+ A visitor that evaluates a `Filter` for a given feature.
Use via `Filter::operator()`. For example:
- if (filter(feature.getType(), [&] (const std::string& key) { return feature.getValue(key); })) {
+ if (filter(feature)) {
// matches the filter
} else {
// does not match