Method stop

examples/sampler_test/src/system.rs:158–166

(&mut self, sampler_i: usize)

    }

    pub fn stop(&mut self, sampler_i: usize) {
        let sampler = &mut self.samplers[sampler_i];

        sampler.params.stop();

        sampler
            .params
            .update_memo(&mut self.cx.event_queue(sampler.node_id));
    }

    pub fn set_speed(&mut self, speed: f64) {
        for s in self.samplers.iter_mut() {