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Optimize callbacks

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This commit is contained in:
Alex Orlenko
2021-02-21 23:51:49 +00:00
parent 2aed548747
commit 335f433df4
2 changed files with 26 additions and 27 deletions
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src/util.rs
+1 -5
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@@ -279,15 +279,11 @@ pub unsafe fn push_meta_gc_userdata<MT: Any, T>(state: *mut ffi::lua_State, t: T
// Uses 2 stack spaces, does not call checkstack
pub unsafe fn get_gc_userdata<T: Any>(state: *mut ffi::lua_State, index: c_int) -> *mut T {
get_meta_gc_userdata::<T, T>(state, index)
}
pub unsafe fn get_meta_gc_userdata<MT: Any, T>(state: *mut ffi::lua_State, index: c_int) -> *mut T {
let ud = ffi::lua_touserdata(state, index) as *mut T;
if ud.is_null() || ffi::lua_getmetatable(state, index) == 0 {
return ptr::null_mut();
}
get_gc_metatable_for::<MT>(state);
get_gc_metatable_for::<T>(state);
let res = ffi::lua_rawequal(state, -1, -2) != 0;
ffi::lua_pop(state, 2);
if !res {