Children by id, as the entries an optic finds in the parent's state: every child there is listed once, and one
optic says both where a child is and which children are there (decision 0133). An id is compared by what its
schema encodes it to, as a key's parameter is.
Children by id, as the entries an optic finds in the parent's state: every child there is listed once, and one optic says both where a child is and which children are there (decision 0133). An id is compared by what its schema encodes it to, as a key's parameter is.