37 lines
773 B
Rust
37 lines
773 B
Rust
extern crate lwkt;
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extern crate fn_box;
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use std::ptr::null_mut;
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use std::intrinsics::abort;
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use lwkt::Context;
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use fn_box::FnBox;
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fn main() {
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let f = box move |:| {
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println!("Hello, world!")
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};
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let mut native = unsafe { Context::native() };
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fn init(ctx: *mut (*mut Context, *mut Context), f: Box<FnBox<(), ()>>) -> ! {
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unsafe {
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let (native, green) = *ctx;
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f();
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Context::swap(&mut *green, &mut *native);
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abort();
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}
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}
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let mut ctx = box { (&mut native as *mut Context, null_mut()) };
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let mut green = Context::new(init, &mut *ctx as *mut _, f);
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ctx.1 = &mut green as *mut Context;
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unsafe {
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Context::swap(&mut native, &mut green);
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}
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println!("size_of::<Context>() == {}", std::mem::size_of::<Context>());
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}
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