mlua/tests/compile/static_callback_args.rs

33 lines
728 B
Rust

use std::cell::RefCell;
use mlua::{Lua, Result, Table};
fn main() -> Result<()> {
thread_local! {
static BAD_TIME: RefCell<Option<Table<'static>>> = RefCell::new(None);
}
let lua = Lua::new();
lua.create_function(|_, table: Table| {
BAD_TIME.with(|bt| {
*bt.borrow_mut() = Some(table);
});
Ok(())
})?
.call::<_, ()>(lua.create_table()?)?;
// In debug, this will panic with a reference leak before getting to the next part but
// it segfaults anyway.
drop(lua);
BAD_TIME.with(|bt| {
println!(
"you're gonna have a bad time: {}",
bt.borrow().as_ref().unwrap().len().unwrap()
);
});
Ok(())
}