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clap/examples/tutorial_builder/03_02_option.md
Ed Page 9b23a09f7a fix(help): Don't rely on ALL CAPS for headers 
I see them fulfilling two roles
- A form of bolding
- As a callback to their placeholder in usage

However, it is a bit of an unpolished look and no other CLI seems to do
it.  This looks a bit more proefessional.  We have colored help for
formatting and I think the sections relation to usage will be clear
enough.
2022-08-26 10:21:18 -05:00

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$ 03_02_option --help
clap [..]
A simple to use, efficient, and full-featured Command Line Argument Parser

Usage:
    03_02_option[EXE] [OPTIONS]

Options:
    -n, --name <name>    
    -h, --help           Print help information
    -V, --version        Print version information

$ 03_02_option
name: None

$ 03_02_option --name bob
name: Some("bob")

$ 03_02_option --name=bob
name: Some("bob")

$ 03_02_option -n bob
name: Some("bob")

$ 03_02_option -n=bob
name: Some("bob")

$ 03_02_option -nbob
name: Some("bob")