Remove itertools as a dependency #730
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bluss
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Sep 25, 2019
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It's no major thing, but looking at it, we didn't use much of itertools, and removing it speeds up the build by a tiny amount and removes itertools and either from the default dependency tree. Objectively they contain a lot of code that we are not using. I guess the only debatable thing, is the validity of copying code instead of reusing, no matter how small that code piece is? cc #723 |
We use `izip!()` as the only major feature from itertools, and can remove it to save build time and two small crates as deps. `izip!()` is license compatible and originally written by @krdln (Michał Krasnoborski) and @bluss in itertools, so we copy it into the crate. The free functions zip(i, j) and enumerate(i) are just style preferences, written by me, and simple to copy. Itertools is still used as a dev-dependency.
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I haven't had a chance to review this PR in detail, but I do think it's a good idea, considering how little code |
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We use
izip!()as the only major feature from itertools, and canremove it to save build time and two small crates as deps.
izip!()is license compatible and originally written by @krdln(Michał Krasnoborski) and @bluss in itertools, so we copy it into the
crate.
The free functions zip(i, j) and enumerate(i) are just style
preferences, written by me, and simple to copy.
Itertools is still used as a dev-dependency.