Display any Parquet file using JSON
Safe output-stream “resource” function
Safe output-stream “resource” function
This function calls the function op on a java.io.PrintStream, if filename is None, it uses System.out. If the function ends with an exception, and filename is Some(_), the output stream will be closed.
If provided, this is the output to print to. Else, if None, we print to System.out.