20 lines
636 B
Rust
20 lines
636 B
Rust
use mlua::{AnyUserData, Lua, Table, UserData, Result};
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fn main() -> Result<()> {
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let lua = Lua::new();
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let globals = lua.globals();
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// Should not allow userdata borrow to outlive lifetime of AnyUserData handle
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struct MyUserData;
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impl UserData for MyUserData {};
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let _userdata_ref;
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{
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let touter = globals.get::<_, Table>("touter")?;
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touter.set("userdata", lua.create_userdata(MyUserData)?)?;
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let userdata = touter.get::<_, AnyUserData>("userdata")?;
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_userdata_ref = userdata.borrow::<MyUserData>();
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//~^ error: `userdata` does not live long enough
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}
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Ok(())
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}
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