pub fn from_args() -> TestEngine<OsString, OsString> {
        let mut args = env::args_os();
        let input_file_path = args.nth(1).expect("input file path not specified");
        let output_file_path = args.next().expect("output file path not specified");
        Self::new(input_file_path, output_file_path)
    }
/// Creates a new test engine using input and output file paths obtained from command line
/// arguments.
///
/// Calling this method is cheap; no files are opened until `TestEngine::run()` is called.
///
/// # Panics
///
/// This method panics if either the input file path or output file path is missing.
Creates a new test engine using input and output file paths obtained from command line
arguments.

Calling this method is cheap; no files are opened until `TestEngine::run()` is called.
Creates a new test engine using input and output file paths obtained from command line arguments . Calling this method is cheap ; no files are opened until ` TestEngine :: run () ` is called .
pub fn from_args() -> TestEngine<OsString, OsString> {
        let mut args = env::args_os();
        let input_file_path = args.nth(1).expect("input file path not specified");
        let output_file_path = args.next().expect("output file path not specified");
        Self::new(input_file_path, output_file_path)
    }
pub fn from_args ( ) -> TestEngine < OsString , OsString > { let mut args = env :: args_os ( ) ; let input_file_path = args . nth ( 1 ) . expect ( " " ) ; let output_file_path = args . next ( ) . expect ( " " ) ; Self :: new ( input_file_path , output_file_path ) }
Creates a new test engine using input and output file paths obtained from command line
arguments.
Creates a new test engine using input and output file paths obtained from command line arguments .
panics
This method panics if either the input file path or output file path is missing.
This method panics if either the input file path or output file path is missing .