[core] clang-tidy fixes

3 files changed, 7 insertions, 7 deletions

diff --git a/src/mbgl/text/cross_tile_symbol_index.cpp b/src/mbgl/text/cross_tile_symbol_index.cpp
index 0992433ccb..5170bfad75 100644
--- a/src/mbgl/text/cross_tile_symbol_index.cpp
+++ b/src/mbgl/text/cross_tile_symbol_index.cpp
@@ -59,8 +59,7 @@ void TileLayerIndex::findMatches(std::vector<SymbolInstance>& symbolInstances, c
     }
 }
 
-CrossTileSymbolLayerIndex::CrossTileSymbolLayerIndex() {
-}
+CrossTileSymbolLayerIndex::CrossTileSymbolLayerIndex() = default;
 
 /*
  * Sometimes when a user pans across the antimeridian the longitude value gets wrapped.
@@ -163,7 +162,7 @@ bool CrossTileSymbolLayerIndex::removeStaleBuckets(const std::unordered_set<uint
     return tilesChanged;
 }
 
-CrossTileSymbolIndex::CrossTileSymbolIndex() {}
+CrossTileSymbolIndex::CrossTileSymbolIndex() = default;
 
 bool CrossTileSymbolIndex::addLayer(const RenderLayerSymbolInterface& symbolInterface, float lng) {
 
diff --git a/src/mbgl/text/language_tag.cpp b/src/mbgl/text/language_tag.cpp
index 90d2f26e16..bd785e4089 100644
--- a/src/mbgl/text/language_tag.cpp
+++ b/src/mbgl/text/language_tag.cpp
@@ -185,8 +185,8 @@ struct bcp47_parser : qi::grammar<Iterator>
 };
 
 LanguageTag LanguageTag::fromBCP47(const std::string& bcp47Tag) {
-    typedef std::string::const_iterator iterator_type;
-    typedef bcp47_parser<iterator_type> bcp47_parser;
+    using iterator_type = std::string::const_iterator;
+    using bcp47_parser = bcp47_parser<iterator_type>;
 
     bcp47_parser parser;
     std::string::const_iterator iter = bcp47Tag.begin();
diff --git a/src/mbgl/text/placement.cpp b/src/mbgl/text/placement.cpp
index f6c4ac1eb6..16295256c5 100644
--- a/src/mbgl/text/placement.cpp
+++ b/src/mbgl/text/placement.cpp
@@ -8,6 +8,7 @@
 #include <mbgl/renderer/buckets/symbol_bucket.hpp>
 #include <mbgl/renderer/bucket.hpp>
 #include <mbgl/util/math.hpp>
+#include <utility>
 
 namespace mbgl {
 
@@ -62,7 +63,7 @@ Placement::Placement(const TransformState& state_, MapMode mapMode_, style::Tran
     : collisionIndex(state_)
     , state(state_)
     , mapMode(mapMode_)
-    , transitionOptions(transitionOptions_)
+    , transitionOptions(std::move(transitionOptions_))
     , collisionGroups(crossSourceCollisions)
     , prevPlacement(std::move(prevPlacement_))
 {
@@ -80,7 +81,7 @@ void Placement::placeLayer(const RenderLayerSymbolInterface& symbolInterface, co
             continue;
         }
         assert(renderTile.tile.kind == Tile::Kind::Geometry);
-        GeometryTile& geometryTile = static_cast<GeometryTile&>(renderTile.tile);
+        auto& geometryTile = static_cast<GeometryTile&>(renderTile.tile);
 
         auto bucket = symbolInterface.getSymbolBucket(renderTile);
         if (!bucket) {