Discards the complexity and unsafety involved in using a single allocation for arbitrary controllable filter chains. In practice it doesn't seem useful to nest filters deeply, and even if it was the benefit of avoiding a marginal number of allocations is dubious, so this makes life easier for everyone.
Discards the complexity and unsafety involved in using a single allocation for arbitrary controllable filter chains. In practice it doesn't seem useful to nest filters deeply, and even if it was the benefit of avoiding a marginal number of allocations is dubious, so this makes life easier for everyone.