Add project skeleton generation to rust pkg
#8643
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leiningen does this particularly well. It makes things from templates and can also look up template plugins from clojars, so that the templates don't have to be installed when you run it. |
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This should probably wait until rustpkg figures out how it wants to work. |
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rustpkg is gone |
Jarcho
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Aug 29, 2022
Refactor `FormatArgsExpn`
It now for each format argument `{..}` has:
- The `Expr` it points to, and how it does so (named/named inline/numbered/implicit)
- The parsed `FormatSpec` (format trait/fill/align/etc., the precision/width and any value they point to)
- Many spans
The caller no longer needs to pair up arguments to their value, or separately interpret the `specs` `Expr`s when it isn't `None`
The gist is that it combines the result of [`rustc_parse_format::Parser`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_parse_format/struct.Parser.html) with the macro expansion itself
This unfortunately makes the code a bit longer, however we need to use both as neither have all the information we're after. `rustc_parse_format` doesn't have the information to resolve named arguments to their values. The macro expansion doesn't contain whether the positions are implicit/numbered/named, or the spans for format arguments
Wanted by rust-lang#9233 and rust-lang#8518 to be able to port the changes from rust-lang#9040
Also fixes rust-lang#8643, previously the format args seem to have been paired up with the wrong values somehow
changelog: [`format_in_format_args`]: Fix false positive due to misattributed arguments
r? `@flip1995`
cc `@nyurik`
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I think it'd be beneficial for getting new rust programmers up to speed to have something along the lines of
npm create, that generates a simple project structure for a library or executable program, or both.I'm entirely unfamiliar with what they're supposed to look like myself as of yet, and have been unable to find anything explaining it. If I knew, I'd implement this myself...
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