Method Remove

table.go:119–142

Remove removes from this table the element at a given position.

(pos int)

// Remove removes from this table the element at a given position.
func (tb *LTable) Remove(pos int) LValue {
	if tb.array == nil {
		return LNil
	}
	larray := len(tb.array)
	if larray == 0 {
		return LNil
	}
	i := pos - 1
	oldval := LNil
	switch {
	case i >= larray:
		// nothing to do
	case i == larray-1 || i < 0:
		oldval = tb.array[larray-1]
		tb.array = tb.array[:larray-1]
	default:
		oldval = tb.array[i]
		copy(tb.array[i:], tb.array[i+1:])
		tb.array[larray-1] = nil
		tb.array = tb.array[:larray-1]
	}
	return oldval
}

// RawSet sets a given LValue to a given index without the __newindex metamethod.
// It is recommended to use `RawSetString` or `RawSetInt` for performance