[core] Fix readability-* errors

As reported by clang-tidy-8.

2 files changed, 4 insertions, 3 deletions

diff --git a/src/mbgl/layout/symbol_layout.cpp b/src/mbgl/layout/symbol_layout.cpp
index 374ab3b659..0a1c3c4fbd 100644
--- a/src/mbgl/layout/symbol_layout.cpp
+++ b/src/mbgl/layout/symbol_layout.cpp
@@ -210,7 +210,7 @@ SymbolLayout::SymbolLayout(const BucketParameters& parameters,
 }
 
 bool SymbolLayout::hasDependencies() const {
-    return features.size() != 0;
+    return !features.empty();
 }
 
 bool SymbolLayout::hasSymbolInstances() const {
diff --git a/src/mbgl/layout/symbol_projection.hpp b/src/mbgl/layout/symbol_projection.hpp
index b88ff0a56f..d9c80df418 100644
--- a/src/mbgl/layout/symbol_projection.hpp
+++ b/src/mbgl/layout/symbol_projection.hpp
@@ -58,9 +58,10 @@ namespace mbgl {
                                                             const mat4& labelPlaneMatrix,
                                                             const bool returnTileDistance);
 
-    void hideGlyphs(std::size_t numGlyphs, gfx::VertexVector<gfx::Vertex<SymbolDynamicLayoutAttributes>>& dynamicVertices);
+    void hideGlyphs(std::size_t numGlyphs,
+                    gfx::VertexVector<gfx::Vertex<SymbolDynamicLayoutAttributes>>& dynamicVertexArray);
     void addDynamicAttributes(const Point<float>& anchorPoint,
                               const float angle,
-                              gfx::VertexVector<gfx::Vertex<SymbolDynamicLayoutAttributes>>& dynamicVertices);
+                              gfx::VertexVector<gfx::Vertex<SymbolDynamicLayoutAttributes>>& dynamicVertexArray);
 
 } // end namespace mbgl