Update macro `register_sub_command` in README.md

jwaldrip / admiral.cr

A robust DSL for writing command line interfaces written in Crystal.

https://jwaldrip.github.com/admiral.cr

MIT License

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Update macro `register_sub_command` in README.md #2

Closed lodestone closed 7 years ago

lodestone commented 7 years ago

I'm not sure how much your syntax will be changing but I pulled this last night and found I needed to use the double underscored version of the register_sub_command macro to get it working.