The read function (lex+parse) in lisp is really handy for building little analysis or metaprogramming tools. The runtime has it, so why not allow users to use it?
However, there's no equivalent for just lexing AFAIK. It's a shame because the same arguments apply!
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I really like base-2 prefixes in writing, e.g. 1 KiB, 2 MiB, 3 GiB and so on. It's way more explicit.
However, SI units are k M G and so on. Switching between lowercase k and uppercase Ki keeps tripping me up.
It's really satisfying to use a profiler for the first time on a project. I always find a big performance win with only a small code change.
It's never the code that I expected to be slow, however!
I've been thinking about making difftastic smarter about context. In principle it understands structure, so I could limit context to the enclosing definition.
However, sometimes it's nice to see surrounding code. Line 644 isn't useful, but maybe 655 is. Opinions?
