Function open_input

dynamic-trace/src/bin/tm-print.rs:265–270

(input: &str)

}

fn open_input(input: &str) -> io::Result<Box<dyn Read>> {
    if input == "-" {
        return Ok(Box::new(io::stdin().lock()));
    }
    Ok(Box::new(fs::File::open(input)?))
}

fn open_output(output: &str) -> io::Result<Box<dyn Write>> {
    if output == "-" {