message: Changed to use empty
diff: @@ -826,19 +826,19 @@ int main( int argc, char** argv ) {
  if( cpath.filename().generic_string() == "." ) cpath = cpath.parent_path();
  - if( wastPath == string() )
  + if( wastPath.empty() )
  {
  wastPath = (cpath / (cpath.filename().generic_string()+".wast")).generic_string();
  }
  - if( abiPath == string() )
  + if( abiPath.empty() )
  {
  abiPath = (cpath / (cpath.filename().generic_string()+".abi")).generic_string();
  }
  fc::read_file_contents(wastPath, wast);
  - FC_ASSERT( wast != string(), "no wast file found ${f}", ("f", wastPath) );
  + FC_ASSERT( wast.empty(), "no wast file found ${f}", ("f", wastPath) );
  vector<uint8_t> wasm;
  const string binary_wasm_header("\x00\x61\x73\x6d", 4);
  if(wast.compare(0, 4, binary_wasm_header) == 0) {
  