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Function prototype: Difference between revisions

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Function prototype (view source)

Revision as of 23:58, 29 August 2017

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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 function name (<code>multiply</code> in the examples);
* the formal arguments to the function (<code>a, b</code> in the examples);
* the entry point label for the function's code (defaults to the function name);
* any local variables which should be protected in the function (defaults to none).
 
Thus a highly-contrived example function that illustrates all of these would look like this:
Retrieved from "https://rosettacode.org/wiki/Special:MobileDiff/194683"