Add support for building arguments from toml about clap HOT 5 CLOSED

This may get dropped as I'm not sure toml is the best way to represent an app structure unless it's dynamically generated somehow...TBD

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I'm not sure toml is the best way to represent an app structure unless it's dynamically generated somehow...

What exactly is the problem? TOML allows nesting as well, but keeps it flat:

subcommands:
    - subcmd:
        about: demos subcommands from yaml
        version: "0.1"
        author: Kevin K. <[email protected]>
        args:
            - scopt:
                short: B
                multiple: true
                help: example subcommand option
                takes_value: true
            - scpos1:
                help: example subcommand positional
                index: 1

would be

[subcommands.subcmd]
about = "demos subcommands from yaml"
version = "0.1"
author = "Kevin K. <[email protected]>"

[subcommands.args.scopt]
short = "B"
multiple = true
help = "example subcommand option"
takes_value = true

[subcommands.args.scpos1]
help = "example subcommand positional"
index = 1

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@vks it's not that it doesn't support it, it's that unless you're dynamically generating that, it would be a pain to write. YAML on the other hand pretty short and easy to read / mentally parse. Granted that a personal opinion, and if it's not shared I'd be happy to merge TOML support as well...I just don't have the bandwidth right now to add it 😜

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@kbknapp I think if we used serde we would get both YAML and TOML (and others).

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Potentially yes, I haven't worked with serde in quite a while, so I'd have to hit the books again to see how much work it'd be. I'm not opposed to it by any means, other than I'd like to keep these features working on stable and not have to require nightly.

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