luaur-vm 0.1.0

The Luau register virtual machine and standard library (Rust).
Documentation 
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use crate::macros::api_check::api_check;
use crate::macros::lua_utag_limit::LUA_UTAG_LIMIT;
use crate::type_aliases::lua_destructor::lua_Destructor;
use crate::type_aliases::lua_state::lua_State;

pub fn lua_getuserdatadtor(L: *mut lua_State, tag: i32) -> lua_Destructor {
    api_check!(L, (tag as u32) < LUA_UTAG_LIMIT as u32);

    unsafe { (*(*L).global).udatagc[tag as usize] }
}