> So Curly has a list of references to friends.  A model diagram of the
> situation looks something like this:
>
>
> larry --------------> { name,    friends  }
>                          |          |
>                          V          |
>                       "Larry"       [ x, x ]
>                                       |  |
>                                       |  |
> curly --------------> { name, ...} <-/   |
>                          |              /
>                          V             /
>                       "Curly"         /
>                                      /
> moe ----------------> { ... } <------
>
>
> where I'm just using some ad-hoc notation to show that the names we use
> are arrows to thingy's that I've put in brackets.
                                          ^^^^^^^^

Ooops.  I should substitute the word "brackets" with "braces".  I always
get those two mixed up.

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