v2.4.2: Minor fixes
This release just has a few odds and ends:
firstandlaston replay maps was previously callingat-index, which returns only two values (a key and its value) and signals an error on an empty replay map. Now, they return three values, which are allnilif the replay map was empty; otherwise, the third value is true. This is consistent with the behavior of these operations on seqs and replay sets.updatehas been deprecated in favor ofupdated. (I'm trying to avoid using verbs that suggest mutation for functional update operations.)searchandmismatchnow use the FSet method if either sequence argument is a seq, usingconvertto convert the other one.- a couple of internal bug fixes.