"go fix will rewrite your source to accommodate API changes in the standard library or builtins if you upgrade your language version" Wow!
miniblog.
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I really like that Mastodon doesn't rewrite your links. I've never got much value out of "N users clicked your links" data and it means you can read the full URL before clicking.
Fun compiler fact: both GCC and clang rewrite x < C to x <= C-1 (for integers) as C-1 may require fewer bits to represent.
Rust can automatically rewrite functions to use out pointers instead of copying data! Neat.