fn print_usage(program_name:&str) {
		#![allow(clippy::print_literal)]
		// hardcoded, but kept close to the rest of the argument data so that hopefully
		// we remember to change this when the argument data is changed
		println!("  {0} [OPTIONS] [--] infile.png [outfile.png]", program_name);
		println!("  {0} [OPTIONS] < infile.png > outfile.png", program_name);
		println!("  {0} --help|-?|--version", program_name);
		println!();
		println!("{}", PROGRAM_DESCRIPTION);
		println!();
		println!("  {:3} {:20} {}", "", "--copy-unsafe", "continue even upon encounter of unknown not-safe-to-copy chunks");
		println!("  {:3} {:20} {}", "-?,", "--help", "display this help message");
		println!("  {:3} {:20} {}", "", "--version", "display program version");
	}
/// Print to stdout a usage statement for a program with this set of arguments
Print to stdout a usage statement for a program with this set of arguments
Print to stdout a usage statement for a program with this set of arguments
fn print_usage(program_name:&str) {
		#![allow(clippy::print_literal)]
		// hardcoded, but kept close to the rest of the argument data so that hopefully
		// we remember to change this when the argument data is changed
		println!("  {0} [OPTIONS] [--] infile.png [outfile.png]", program_name);
		println!("  {0} [OPTIONS] < infile.png > outfile.png", program_name);
		println!("  {0} --help|-?|--version", program_name);
		println!();
		println!("{}", PROGRAM_DESCRIPTION);
		println!();
		println!("  {:3} {:20} {}", "", "--copy-unsafe", "continue even upon encounter of unknown not-safe-to-copy chunks");
		println!("  {:3} {:20} {}", "-?,", "--help", "display this help message");
		println!("  {:3} {:20} {}", "", "--version", "display program version");
	}
fn print_usage ( program_name : & str ) { # ! [ allow ( clippy print_literal ) ] // hardcoded, but kept close to the rest of the argument data so that hopefully // we remember to change this when the argument data is changed println ! ( " " program_name ) ; println ! ( " " program_name ) ; println ! ( " " program_name ) ; println ! ( ) ; println ! ( " " PROGRAM_DESCRIPTION ) ; println ! ( ) ; println ! ( " " " " " " " " ) ; println ! ( " " " " " " " " ) ; println ! ( " " " " " " " " ) ; }
Print to stdout a usage statement for a program with this set of arguments
Print to stdout a usage statement for a program with this set of arguments
program_name
&str