clap/examples/tutorial_derive/03_01_flag_count.md
Ed Page e1aafce431 test(tutorial): Ensure we actually test code
Biggest problem identified is that we are incorrectly setting the help
usage in `04_04_custom`
2022-08-08 14:05:08 -05:00

461 B

$ 03_01_flag_count_derive --help
clap [..]
A simple to use, efficient, and full-featured Command Line Argument Parser

USAGE:
    03_01_flag_count_derive[EXE] [OPTIONS]

OPTIONS:
    -v, --verbose...    
    -h, --help          Print help information
    -V, --version       Print version information

$ 03_01_flag_count_derive
verbose: 0

$ 03_01_flag_count_derive --verbose
verbose: 1

$ 03_01_flag_count_derive --verbose --verbose
verbose: 2