On Wed, Jan 8, 2020 at 10:49 PM Brian Theado <brian.the...@gmail.com> wrote:

*>> Prefer functions to classes/methods*

> The TokenOrderTraverser class looks to me like a good opportunity to
follow the above principle. AFAICT, the way it is written, that class is
ONLY useful if it is subclassed.

True.

> For me, subclassing is usually extra friction and the resulting code is
less clear.

Without a class, you would have to implement visit as a callback.

Edward

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