Pointers in C++

Defining a Simple list Type

Since a list is made out of items, define a struct called listItem where:

The first member holds an integer
The second member holds a pointer to a struct like itself

struct listItem { int item; // like the CAR of a list listItem* rest; // like the CDR of a list };
Since a pointer to a list item gives you access to the whole list behind it, call a pointer to a list item a list: typedef listItem* list;

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