Module runtime 

Structs

JoinHandle

…

Waiter

…

Waker

…

Functions

cancel

…

concurrency_pair^⚠

… Safety: Waiter can’t be moved to another fiber.

contain

…

is_cancelled

…

nop

spawn

Spawns a new fiber, returning a JoinHandle for it.

start

… TODO: add Send bound, to avoid handle troubles

yield_now