Pub struct Network įrom this point, implementing tests for Layer and Having established that workspaces are not elder magic, let's circleīack to our original question: why mkdir instead ofĬargo doesn’t support cargo new -workspace yet.īreath in, breath out, and let's enter the no man's land: When applied within reason - not only make the code cleaner, but To introduce clear-cut boundaries between project's modules, and. One of the bigger - if not the biggest - workspace-based project IĬonsidering our toy project won't reach 10k LOC, why am I even talkingĪlso, I consider them to be a good practice: workspaces allow When it comes to Rust, one of the ways to alleviate issues aroundĬompile times is then to simply split your application into separate Not a military aircraft, it's your computer's fans preparing for some Looks in the context and - oh god - do you hear this sound? it's Waiting for the compiler to finish: you've changed some error message, wanted to quickly see how it If you've already had the pleasure of working on a gigantic project, Much, but let's not forget that it applies to the development process, Granted - in the grand scheme of things, 3 minutes might not seem like (due diligence: that's a good-day scenario, sometimes it might notīe possible to split the code, please remember to always consult Splitting it into 5 separate 20k LOC crates, we might reduce this time To internalize the potential issues & gains, let's say we're workingĪpp, excluding its dependencies, takes 5 minutes now, then by Single-crate entity) will remain built on a single core. from crates.io), those crates willīe compiled in parallel, but your application itself (as a It means that, practically, if your application depends on someĮxternal crates (e.g. On the other side of the spectrum, we've got rustc - it's the actualĬompiler that Cargo invokes for each crate it has to built, and rustc Parallel - if you have crate A that depends on cratesī + C, the latter two can be built at theįurthermore, it's pointless trying to simultaneously compile moreĬrates than the amount of CPU cores available, as it would only slowĭown the process, so Cargo has a tall order figuring it out. Usually only some parts of the dependency tree can be built in It means that it's building those crates in parallel. Building 6/153: byteorder, matches, cc, byte-tools
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