4652ce20ed API changes for "delete `all_zeros`" (Andrew Poelstra)
8869f35a69 hashes: drop the `all_zeros` method on arbitrary hashes (Andrew Poelstra)
9f8797f486 API changes for constification of hash constructors (Andrew Poelstra)
154e91af8c hashes: constify a bunch of constructors (Andrew Poelstra)
c155cbf8b2 hashes: use workaround to get constfns on tagged hashes with MSRV (Andrew Poelstra)
Pull request description:
I think these changes are both uncontroversial but they have fairly large diffs so I am PRing them together before making more invasive changes.
ACKs for top commit:
tcharding:
ACK 4652ce20ed
Tree-SHA512: 4560fa397deab50448598894b9364f9d8f8b48169901a84db6a44168cdba795ab69b48ad2cac61caebcee5e227a03271335b405cf5514265290a4d1f2fdf52a2