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。

youdao

Now that the Scheme variable has been created, you can simply call the Scheme function square2 (this time without an argument) and follow the same process to grab and dereference the return value.

现在已经创建了Scheme变量，接下来就可以调用scheme函数square2(这一次没有参数)，并用相同的方式捕捉和取消引用返回值。

youdao

In the first example in Listing 3, I simply use the scm_call_1 function to call the Scheme function with one argument.

在清单3中的第一个例子中，我使用scm_call_1函数调用scheme函数，调用时带有一个参数。

youdao

The argument is similar to how Paul Graham describes that Yahoo was a ponzi scheme in 1998.

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That is why the designer of the scheme, Portman Capital, is stressing that it believes the main argument for privatising in this unprecedented way is that it would actually maximise proceeds for the Exchequer, in the short term at least - which is not as paradoxical as it may seem.

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The argument made by ministers - of the previous government and this one - is that a redundancy scheme that gives staff a pay-off of up to six years their salary is overly generous in the current economic environment.

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