Support errors that contain a dynamically sized final field (#375)
Improve inference of trait bounds for fields that are interpolated multiple times in an error message (#377)
2.0.0
Breaking changes
Referencing keyword-named fields by a raw identifier like {r#type} inside a format string is no longer accepted; simply use the unraw name like {type} (#347)
This aligns thiserror with the standard library's formatting macros, which gained support for implicit argument capture later than the release of this feature in thiserror 1.x.
Tuple structs and tuple variants can no longer use numerical {0}{1} access at the same time as supplying extra positional arguments for a format message, as this makes it ambiguous whether the number refers to a tuple field vs a different positional arg (#354)
#[derive(Error, Debug)]
#[error("ambiguous: {0} {}", $N)]
// ^^^ Not allowed, use #[error("... {0} {n}", n = $N)]
pub struct TupleError(i32);
Code containing invocations of thiserror's derive(Error) must now have a direct dependency on the thiserror crate regardless of the error data structure's contents (#368, #369, #370, #372)
Features
Support disabling thiserror's standard library dependency by disabling the default "std" Cargo feature: thiserror = { version = "2", default-features = false } (#373)
Support using r#source as field name to opt out of a field named "source" being treated as an error's Error::source() (#350)
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Bumps thiserror from 1.0.63 to 2.0.1.
Release notes
Sourced from thiserror's releases.
... (truncated)
Commits
4066d53
Release 2.0.18956be2
Merge pull request #380 from dtolnay/var16f8dc1
Wrap interpolated variables to forward Pointer correctly46586dd
Add test that {:p} prints the right address5dfd2cc
Merge pull request #379 from dtolnay/bindingfb59da6
Resolve let_and_return clippy lint3ee0a4d
Emit rebinding only for interpolations that refer to a fieldf4d5c2a
Check infinite recursion as soon as Display bound is known8a77dea
Parse trait bound before deciding name for local binding24e7f87
Clean up formatvar identifier constructionDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
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