Mirrors/clap
2
0
Fork 0
mirror of https://github.com/clap-rs/clap synced 2024-12-14 06:42:33 +00:00
Code Issues Projects Releases Packages Wiki Activity
clap/examples/tutorial_derive/04_02_parse.md
Ed Page 0184cf008a fix(parser): Quote the suggested help 
We do it elsewhere but here it is only distinguished coloring.

Inspired by #4218
2022-09-15 16:24:59 -05:00

604 B
Raw Blame History 

$ 04_02_parse_derive --help
A simple to use, efficient, and full-featured Command Line Argument Parser

Usage: 04_02_parse_derive[EXE] <PORT>

Arguments:
  <PORT>  Network port to use

Options:
  -h, --help     Print help information
  -V, --version  Print version information

$ 04_02_parse_derive 22
PORT = 22

$ 04_02_parse_derive foobar
? failed
error: Invalid value "foobar" for '<PORT>': invalid digit found in string

For more information try '--help'

$ 04_02_parse_derive 0
? failed
error: Invalid value "0" for '<PORT>': 0 is not in 1..=65535

For more information try '--help'