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Elixir wrapper for Yjs

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y_ex native yex src subscription.rs
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native/yex/src/subscription.rs 

use rustler::{Env, ResourceArc};

use std::cell::RefCell;

use yrs::*;



use crate::{error::NifError, wrap::NifWrap, ENV};



pub type SubscriptionResource = NifWrap<RefCell<Option<Subscription>>>;

#[rustler::resource_impl]

impl rustler::Resource for SubscriptionResource {}



#[rustler::nif]

fn sub_unsubscribe(env: Env<'_>, sub: ResourceArc<SubscriptionResource>) -> Result<(), NifError> {

    ENV.set(&mut env.clone(), || {

        *sub.borrow_mut() = None;

        Ok(())

    })

}