Hello, everyone. The fourth review of SE-0270: Add Collection operations on noncontiguous elements ran from December 6th through the 18th. This review was both a re-review of the old proposal as part of accepting it into the standard library and a de novo review of several small revisions to the proposal, which were described in the review announcement. Feedback during the review centered on two issues, which the Language Steering Group discussed while considering the proposal. The first iss...