46 lines
1019 B
Python
46 lines
1019 B
Python
import stdio
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import t, c
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# ============================================================
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# 闭包 + nonlocal/global 测试
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# ============================================================
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# 全局变量
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g_count: int = 0
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# global 关键字测试：修改全局变量
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def test_global() -> int:
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global g_count
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g_count = g_count + 1
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return g_count
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# nonlocal 关键字测试：嵌套函数修改外层局部变量
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def make_counter() -> t.CPtr:
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count: int = 0
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# 内部函数（闭包）捕获 count
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def counter() -> int:
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nonlocal count
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count = count + 1
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return count
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return counter
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def closure_test() -> int:
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# global 测试
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stdio.printf("global: %d\n", test_global())
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stdio.printf("global: %d\n", test_global())
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stdio.printf("global: %d\n", test_global())
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# nonlocal/闭包测试
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f: t.CPtr = make_counter()
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stdio.printf("closure: %d\n", f())
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stdio.printf("closure: %d\n", f())
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stdio.printf("closure: %d\n", f())
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return 0
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