[QUESTION] llist: Comment releasing 'must delete' restriction before traversing

[Byungchul Park]

Hello folks,

I'm careful in saying.. and curious about..

In restrictive cases like only addtions happen but never deletion, can't
we safely traverse a llist? I believe llist can be more useful if we can
release the restriction. Can't we?

If yes, we may add another function traversing starting from a head. Or
just use existing funtion with head->first.

Thank a lot for your answers in advance :)

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