Function time_logger_play::time_logger

pub fn time_logger(filename: &str, string: &str) -> Result<()>

Logger function with doc attribute

This is a description

     Required:
         - Filename &str
         - Buffer &str
     Returns
         - Ok() or Err()

Test the program

 let result = play::time_logger("test.txt", &"Just a doc test").unwrap();
 assert_eq!(result, ());