docs: Recommend targetDir for rust-analyzer #18973
Merged
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This prevents PyO3 from constantly recompiling, at least until PyO3/pyo3#1708 is fixed. It also prevents annoying 'waiting for lock' issues, so it might be a good idea regardless.
The downside is that your build directory becomes even bigger as you now store artifacts twice, but it's honestly already a lost cause trying to get the artifact size small during development.