Idiomatic Rust variable name in doc example
//! let worker: Handle<JsObject> = require.call_with(cx)
//! .arg(cx.string("node:worker_threads"))
//! .apply(cx)?;
-//! let threadId: Handle<JsNumber> = worker.get(cx, "threadId")?;
-//! Ok(threadId.value(cx) as u32)
+//! let thread_id: Handle<JsNumber> = worker.get(cx, "threadId")?;
+//! Ok(thread_id.value(cx) as u32)
//! }).cloned()
//! }
//! ```
