clap 3.0.0-rc.2

A simple to use, efficient, and full-featured Command Line Argument Parser
Documentation
# Examples

- Basic demo: [derive]demo.md
- Key-value pair arguments: [derive]keyvalue_derive.md
- git-like interface: [builder]git.md, [derive]git_derive.md
- pacman-like interface: [builder]git.md
- Escaped positionals with `--`: [builder]escaped_positional.md, [derive]escaped_positional_derive.md
- Multi-call
  - busybox: [builder]multicall_busybox.md
  - hostname: [builder]multicall_hostname.md

## Contributing

New examples:
- Building: They must be added to [Cargo.toml]../../Cargo.toml with the appropriate `required-features`.
- Testing: Ensure there is a markdown file with [trycmd]https://docs.rs/trycmd syntax
- Link the `.md` file from here

See also the general [CONTRIBUTING](../../CONTRIBUTING.md).