Function crossbeam_utils::sync::sharded_lock::current_index

fn current_index() -> Option<usize>

Returns a usize that identifies the current thread.

Each thread is associated with an ‘index’. While there are no particular guarantees, indices usually tend to be consecutive numbers between 0 and the number of running threads.

Since this function accesses TLS, None might be returned if the current thread’s TLS is tearing down.