Not parent, but from my perspective implicit RAII might fall into this category, though I suppose that's specific to deallocation. Zig also requires you to pass

Not parent, but from my perspective implicit RAII might fall into this category, though I suppose that's specific to deallocation. Zig also requires you to pass an allocator to any function that requires dynamic allocation, which while this could be considered a bit extreme, is certainly less "opaque".