David Wood 9d864c8d56 macros: add diagnostic derive for lints ... `SessionDiagnostic` isn't suitable for use on lints as whether or not it creates an error or a warning is decided at compile-time by the macro, whereas lints decide this at runtime based on the location of the lint being reported (as it will depend on the user's `allow`/`deny` attributes, etc). Re-using most of the machinery for `SessionDiagnostic`, this macro introduces a `LintDiagnostic` derive which implements a `DecorateLint` trait, taking a `LintDiagnosticBuilder` and adding to the lint according to the diagnostic struct.		2022-07-05 16:00:21 +01:00
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src	macros: add diagnostic derive for lints	2022-07-05 16:00:21 +01:00
Cargo.toml	macros: add diagnostic derive for lints	2022-07-05 16:00:21 +01:00