```rust use statsig::{Statsig, StatsigUser}; use tokio;
async fn main() { Statsig::initialize("secret-key").await;
let user = StatsigUser::with_user_id("a-user".to_string());
let passes_gate = Statsig::check_gate(user, "a_gate").ok().unwrap_or(false);
if passes_gate {
// Show cool new feature
}
} ```