pub fn spawn(f: proc(): Send)
Creates and executes a new child task
Sets up a new task with its own call stack and schedules it to run the provided unique closure.
This function is equivalent to TaskBuilder::new().spawn(f).
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).