Allow #:serial-number #f in hid-open

jpathy / hidapi

FFI bindings for hidapi

MIT License

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Open kengruven opened 1 year ago

kengruven commented 1 year ago

Partial fix for #2: add (or/c ... #f) to contract for hid-open.

I'm not familiar enough with define-ffi-definer to make the keyword parameter optional, but that would also be nice to have.

kengruven commented 1 year ago

Oops, I pushed the URL update (for #4) onto this branch as well.