TCPP2 Functions for objects

Section 9.3 Functions for objects

In the next few sections, I will demonstrate several possible interfaces for functions that operate on objects. For some operations, you will have a choice of several possible interfaces, so you should consider the pros and cons of each of these:

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pure function: 🔗: Takes objects and/or basic types as arguments but does not modify the objects. The return value is either a basic type or a new object created inside the function.
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modifier: 🔗: Takes objects as parameters and modifies some or all of them. Often returns void.
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fill-in function: 🔗: One of the parameters is an “empty” object that gets filled in by the function. Technically, this is a type of modifier.
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Checkpoint 9.3.1.

Match the term to its definition.

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Try again.

pure function
Does not modify objects. The return values is either a basic type or a new object that was create in the function. Takes objects and/or basic types as arguments.
modifier
Often returns void. Modifies some or all parameters. Takes objects as parameters.
fill-in function
Technically a type of modifier. One of the parameters is an "empty" object that gets filled in by the function.

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