Listing 4 presents the Scheme functions, which implement the same behavior, but the first with an argument and the second with a static variable.
清单4展示了Scheme函数,这些函数实现相同的行为,但是第一个函数有一个参数,第二个函数有一个静态值。
Listing 4 presents the Scheme functions, which implement the same behavior, but the first with an argument and the second with a static variable.
清单4展示了Scheme函数,这些函数实现相同的行为,但是第一个函数有一个参数,第二个函数有一个静态值。
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