Posts with tag [today-I-learned]:

• 2020-11-13 Til Mutable [ programming today-I-learned ]

  mutable, const and caches

  Have you ever done some kind of cache in C++? Like, computing a field lazily (so that it’s not computed until it’s needed), and keeping it to avoid computing it again.

  And did you try to put that lazy field inside a class that is used as const in some place?

  Read more

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