luaur-vm 0.1.0

The Luau register virtual machine and standard library (Rust).
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12

use crate::functions::lua_l_checkinteger_64::lua_l_checkinteger_64;
use crate::functions::lua_pushinteger_64::lua_pushinteger_64;
use crate::type_aliases::lua_state::LuaState;

#[no_mangle]
pub unsafe fn int64_neg(l: *mut LuaState) -> core::ffi::c_int {
    let x = lua_l_checkinteger_64(l, 1);

    lua_pushinteger_64(l, (x as u64).wrapping_neg() as i64);

    1
}