Tasmota/lib/libesp32/berry/tests/function.be

# CLOSE opcode test
var gbl
def func1()
    var a = 'func1_a'
    def func2()
        return a
    end
    gbl = func2
    return 400000 + 500
end
assert(func1() == 400500)
assert(gbl() == 'func1_a')