nest 1.0.0

Use your filesystem as a nested data store
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use std::sync::{Once, ONCE_INIT};

static INIT: Once = ONCE_INIT;

pub fn setup() {
    INIT.call_once(|| {
        let _ = env_logger::builder()
            .filter(Some("nest"), log::LevelFilter::Debug)
            .is_test(true)
            .try_init();
    });
}