#![feature(thread_local)] extern crate lwkt; use lwkt::{Context, StackSource}; #[thread_local] static mut ctx_slot: *mut Context<'static, lwkt::os::Stack> = 0 as *mut Context<_>; fn main() { unsafe { let stack = lwkt::os::StackSource::get_stack(4 << 20).unwrap(); let mut ctx = Context::new(stack, move || { println!("it's alive!"); (*ctx_slot).swap(); }); ctx_slot = &mut ctx; (*ctx_slot).swap(); } }