digest creates hash digests of arbitrary R objects (using the ‘md5’, ‘sha-1’, ‘sha-256’, ‘crc32’, ‘xxhash’ and ‘murmurhash’ algorithms) permitting easy comparison of R language objects.
This release accomodates a request by Luke and Tomas to make the
version argument of
serialize() an argument to
digest() too, which was easy enough to accomodate. The value
2L is the current default (and for now only permitted value). The ALTREP changes in R 3.5 will bring us a new, and more powerful, format with value
3L. Changes can be set in each call, or globally via
options(). Other than we just clarified one aspect of
raw vector usage in the manual page.