Style cleanup.

1) Convert iterator-based for loops to C++11 foreach loops.
2) Convert "void operator=" to "T& operator=".
3) Switch from copy operators from private to public deleted.
4) Switch from empty ctors / dtors to "= default" where appropriate.

PiperOrigin-RevId: 246679195

1 files changed, 6 insertions, 6 deletions

diff --git a/util/env.cc b/util/env.cc
index 6cd5f2e..d2f0aef 100644
--- a/util/env.cc
+++ b/util/env.cc
@@ -6,21 +6,21 @@
 
 namespace leveldb {
 
-Env::~Env() {}
+Env::~Env() = default;
 
 Status Env::NewAppendableFile(const std::string& fname, WritableFile** result) {
   return Status::NotSupported("NewAppendableFile", fname);
 }
 
-SequentialFile::~SequentialFile() {}
+SequentialFile::~SequentialFile() = default;
 
-RandomAccessFile::~RandomAccessFile() {}
+RandomAccessFile::~RandomAccessFile() = default;
 
-WritableFile::~WritableFile() {}
+WritableFile::~WritableFile() = default;
 
-Logger::~Logger() {}
+Logger::~Logger() = default;
 
-FileLock::~FileLock() {}
+FileLock::~FileLock() = default;
 
 void Log(Logger* info_log, const char* format, ...) {
   if (info_log != nullptr) {