Upgrade minimum Rust version to 1.48.0 and remove proc-macro-hack. (!8) · Merge requests · octobus / rust / format-bytes

Simon Sapin requested to merge topic/default/up into branch/default Dec 16, 2021

This is the version in Debian Bullseye, now stable instead Buster which had 1.14.1.

Let’s treat this as a SemVer-breaking change, since this would break any remaining users with old compilers.

proc-macro-hack hack was only useful to support Rust versions older than 1.45

Upgrade minimum Rust version to 1.48.0 and remove proc-macro-hack.