Method get_or_init

wasm-pdk/src/lib.rs:636–642

(&self, init: F)

    /// Unsafe getter; caller must ensure no overlapping &mut borrows across reentrant edge_op calls.
    #[allow(clippy::mut_from_ref)]
    pub fn get_or_init<F: FnOnce() -> T>(&self, init: F) -> &mut T {
        unsafe {
            let ptr = self.0.get();
            if (*ptr).is_none() { *ptr = Some(init()); }
            (*ptr).as_mut().unwrap()
        }
    }
}

impl<T> Default for PluginCell<T> {