[dmytrish]

> pass around the allocator to every function that allocates to the heap.

what prevents a library from taking an allocator, saving it hidden somewhere and using it silently?

[simjnd]

Nothing, but it would be bad design (unless there is a legitimate documented reason for it). Then it's up to you as the developer to exercise your judgment and choose what third-party libraries you choose to depend on.

[ulbu]

authors of the library