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Manual: errors in lua_toclose are not memory errors

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Roberto Ierusalimschy committed 2024-05-23 09:55:26 -03:00
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@@ -4475,7 +4475,7 @@ otherwise, returns @id{NULL}.
} }
@APIEntry{void lua_toclose (lua_State *L, int index);| @APIEntry{void lua_toclose (lua_State *L, int index);|
@apii{0,0,m} @apii{0,0,v}
Marks the given index in the stack as a Marks the given index in the stack as a
to-be-closed slot @see{to-be-closed}. to-be-closed slot @see{to-be-closed}.
@@ -4492,6 +4492,9 @@ A slot marked as to-be-closed should not be removed from the stack
by any other function in the API except @Lid{lua_settop} or @Lid{lua_pop}, by any other function in the API except @Lid{lua_settop} or @Lid{lua_pop},
unless previously deactivated by @Lid{lua_closeslot}. unless previously deactivated by @Lid{lua_closeslot}.
This function raises an error if the value at the given slot
neither has a @idx{__close} metamethod nor is a false value.
This function should not be called for an index This function should not be called for an index
that is equal to or below an active to-be-closed slot. that is equal to or below an active to-be-closed slot.