[tidy] modernize-use-default-member-init

src/mbgl/text/glyph.hpp

@@ -58,14 +58,14 @@ enum class WritingModeType : uint8_t;
 
 class Shaping {
     public:
-    explicit Shaping() : top(0), bottom(0), left(0), right(0) {}
+    explicit Shaping() = default;
     explicit Shaping(float x, float y, WritingModeType writingMode_)
         : top(y), bottom(y), left(x), right(x), writingMode(writingMode_) {}
     std::vector<PositionedGlyph> positionedGlyphs;
-    int32_t top;
-    int32_t bottom;
-    int32_t left;
-    int32_t right;
+    int32_t top = 0;
+    int32_t bottom = 0;
+    int32_t left = 0;
+    int32_t right = 0;
     WritingModeType writingMode;
 
     explicit operator bool() const { return !positionedGlyphs.empty(); }

test/src/mbgl/test/fixture_log_observer.cpp

@@ -15,9 +15,6 @@ bool FixtureLog::Message::operator==(const Message& rhs) const {
     return severity == rhs.severity && event == rhs.event && code == rhs.code && msg == rhs.msg;
 }
 
-FixtureLog::Message::Message() : severity(), event(), code(), msg() {
-}
-
 FixtureLog::Observer::Observer(FixtureLog* log_) : log(log_) {
 }
 

test/src/mbgl/test/fixture_log_observer.hpp

@@ -12,15 +12,15 @@ namespace mbgl {
 class FixtureLog {
 public:
     struct Message {
+        Message() = default;
         Message(EventSeverity severity_, Event event_, int64_t code_, std::string msg_);
-        Message();
 
         bool operator==(const Message& rhs) const;
 
-        const EventSeverity severity;
-        const Event event;
-        const int64_t code;
-        const std::string msg;
+        const EventSeverity severity {};
+        const Event event {};
+        const int64_t code {};
+        const std::string msg {};
 
         mutable bool checked = false;
     };