code: public static <T, R> Function<T, R> wrap(final Function<T, R> function)
  	{
  		final Tracing tracing = Tracing.get();
  
  		final String traceId = tracing.newOperationId();
  		return wrap(traceId, tracing.isVerbose(), function);
  	}
docs: Wrap a function call in a trace block; designed for use in a parallel stream
  
  @param <T>
  the type of the input to the function
  @param <R>
  the type of the result of the function
  
  @return