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When shortening types and writing them to disk, make `short_ty_string`
capable of reusing the same file, instead of writing a file per
shortened type.
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Co-authored-by: Adrian <adrian.iosdev@gmail.com>
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This reverts commit 9de1a472b68ed85f396b2e2cc79c3ef17584d6e1.
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Add suggestion to quote inlined format argument as string literal
Fixes #114235
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character
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API changes resulted in subtle MIR and impl differences
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Add `ConstParamTy` trait
This is a bit sketch, but idk.
r? `@BoxyUwU`
Yet to be done:
- [x] ~~Figure out if it's okay to implement `StructuralEq` for primitives / possibly remove their special casing~~ (it should be okay, but maybe not in this PR...)
- [ ] Maybe refactor the code a little bit
- [x] Use a macro to make impls a bit nicer
Future work:
- [ ] Actually™ use the trait when checking if a `const` generic type is allowed
- [ ] _Really_ refactor the surrounding code
- [ ] Refactor `marker.rs` into multiple modules for each "theme" of markers
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Originally, this was kinda half-allowed. There were some primitive
checks in place that looked at the span to see whether the input was
likely a literal. These "source literal" checks are needed because the
spans created during `format_args` parsing only make sense when it is
indeed a literal that was written in the source code directly.
This is orthogonal to the restriction that the first argument must be a
"direct literal", not being exanpanded from macros. This restriction was
imposed by [RFC 2795] on the basis of being too confusing. But this was
only concerned with the argument of the invocation being a literal, not
whether it was a source literal (maybe in spirit it meant it being a
source literal, this is not clear to me).
Since the original check only really cared about source literals (which
is good enough to deny the `format_args!(concat!())` example), macros
expanding to `format_args` invocations were able to use implicit
captures if they spanned the string in a way that lead back to a source
string.
The "source literal" checks were not strict enough and caused ICEs in
certain cases (see # 106191 (the space is intended to avoid spammy
backreferences)). So I tightened it up in # 106195 to really only work
if it's a direct source literal.
This caused the `indoc` crate to break. `indoc` transformed the source
literal by removing whitespace, which made it not a "source literal"
anymore (which is required to fix the ICE). But since `indoc` spanned
the literal in ways that made the old check think that it's a literal,
it was able to use implicit captures (which is useful and nice for the
users of `indoc`).
This commit properly seperates the previously introduced concepts of
"source literal" and "direct literal" and therefore allows `indoc`
invocations, which don't create "source literals" to use implicit
captures again.
[RFC 2795]: https://rust-lang.github.io/rfcs/2795-format-args-implicit-identifiers.html#macro-hygiene
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Modify main message to be more conversational and emit one fewer note.
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Suggest `{var:?}` when finding `{?:var}` in inline format strings
Link to issue: https://github.com/rust-lang/rust/issues/106572
This is my first PR to this project, so hopefully I can get some good pointers with me from the first PR.
Currently my idea was to test out whether or not this is the correct solution to this issue and then hopefully expand upon the idea to not only work for Debug formatting but for all of them. If this is a valid solution, I will create a new issue to give a better error message to a broader range of wrong-order formatting.
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Adding
Adding
Fixing small issues for PR
Adding tests
Removing unused binding
Changing the wording on note
Fixing PR comment
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The previous output was unintuitive to users.
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This reverts commit e6c02aad9345925cfed74f86b414c4d0715d381b.
Keeps the code improvements from the PR and the test (as a known-bug).
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