[modular] Decouple help generation from clap

[epage]

Issue by epage
Tuesday Oct 19, 2021 at 15:38 GMT
Originally opened as clap-rs/clap#2913

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Please complete the following tasks

• I have searched the discussions
• I have searched the existing issues

Clap Version

master

Describe your use case

Building on #2912, if we can generate help via the reflection API, that will be a good test case and would unlock future help improvements.

Describe the solution you'd like

Expand clap_reflect to be able to support a clap_help crate that clap depends on.

Alternatives, if applicable

No response

Additional Context

No response