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| Functions: argument classes | |||||
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A function argument class is the first of the three components of a function argument template. An argument class indicates how an argument value in a call is interpreted: whether an actual value or a reference to a shelf is passed, and what kind of expression is allowed in the function call. There are four different function argument classes:
External functions cannot have remainder arguments.
| Prerequisite Concepts Functions | Related Syntax define function remainder value | 
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