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luaur_vm/functions/
luau_f_assert.rs

1use crate::enums::lua_type::lua_Type;
2use crate::macros::l_isfalse::l_isfalse;
3use crate::type_aliases::lua_state::lua_State;
4use crate::type_aliases::stk_id::StkId;
5use crate::type_aliases::t_value::TValue;
6
7#[allow(non_snake_case)]
8pub unsafe fn luau_f_assert(
9    _L: *mut lua_State,
10    _res: StkId,
11    arg0: *mut TValue,
12    nresults: core::ffi::c_int,
13    _args: StkId,
14    nparams: core::ffi::c_int,
15) -> core::ffi::c_int {
16    // The macro l_isfalse! depends on lua_Type being in scope in the caller's context
17    // because it expands to comparisons against lua_Type::LUA_TNIL etc.
18    let _ = lua_Type::LUA_TNIL;
19
20    if nparams >= 1 && nresults == 0 && !l_isfalse!(arg0) {
21        return 0;
22    }
23
24    -1
25}