Rework the driver docs #2162
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Rework the driver docs #2162
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The removal of driver queries has changed the way rustc_interface can be used. I've also changed things a bit to fix things that were wrong in the docs even before the driver query removal. And finally this is now recommends using rustc_driver over rustc_interface like most tools are already doing. The rustc_driver api is a bit more stable and much easier to use when you don't need the flexibility of rustc_interface as is the case almost all the time. Rustdoc is one of the few tools that needs the flexibility of rustc_interface.
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The removal of driver queries has changed the way rustc_interface can be used. I've also changed things a bit to fix things that were wrong in the docs even before the driver query removal. And finally this is now recommends using rustc_driver over rustc_interface like most tools are already doing. The rustc_driver api is a bit more stable and much easier to use when you don't need the flexibility of rustc_interface as is the case almost all the time. Rustdoc is one of the few tools that needs the flexibility of rustc_interface.
Blocked on rust-lang/rust#134302 and testing the updated examples.