Function prototype: Difference between revisions
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The <code>define()</code> BIF is used for more than merely providing function-like access to a label with the same name. It is used to prototype all of these (with some default behaviour): |
The <code>define()</code> BIF is used for more than merely providing function-like access to a label with the same name. It is used to prototype all of these (with some default behaviour): |
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* the function name (<code>multiply</code> in the examples); |
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* the formal arguments to the function (<code>a, b</code> in the examples); |
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* the entry point label for the function's code (defaults to the function name); |
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* any local variables which should be protected in the function (defaults to none). |
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Thus a highly-contrived example function that illustrates all of these would look like this: |
Thus a highly-contrived example function that illustrates all of these would look like this: |
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