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?