This macro call fails to expand for me:

https://github.com/near/nearcore/blob/d338e91390c9b3ed422c66dbfd2548bcc8282249/genesis-tools/genesis-csv-to-json/src/csv_parser.rs#L345-L347

I think this is related to $vis token producing an empty match, as the following works:

pub RES => "res/test_accounts.csv"