Update Rust crate thiserror to v2 #47

pierre · 2024-11-09T00:13:01Z

pierre commented

2024-11-09 00:13:01 +00:00

This PR contains the following updates:

Package	Type	Update	Change
thiserror	dependencies	major	`1.0.61` -> `2.0.0`

Release Notes

dtolnay/thiserror (thiserror)

`v2.0.1`

Compare Source

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)

`v2.0.0`

Compare Source

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.
```
#[derive(Error, Debug)]
#[error("... {type} ...")]  // Before: {r#type}
pub struct Error {
    pub r#type: Type,
}
```

Trait bounds are no longer inferred on fields whose value is shadowed by an explicit named argument in a format message (#345)

// Before: impl<T: Octal> Display for Error<T>
// After: impl<T> Display for Error<T>
#[derive(Error, Debug)]
#[error("{thing:o}", thing = "...")]
pub struct Error<T> {
    thing: T,
}

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)

#[derive(Error, Debug)]
#[error("{source} ==> {destination}")]
pub struct Error {
    r#source: char,
    destination: char,
}

let error = Error { source: 'S', destination: 'D' };

Infinite recursion in a generated Display impl now produces an unconditional_recursion warning (#359)
```
#[derive(Error, Debug)]
#[error("??? {self}")]
pub struct Error;
```

A new attribute #[error(fmt = path::to::myfmt)] can be used to write formatting logic for an enum variant out-of-line (#367)

#[derive(Error, Debug)]
pub enum Error {
    #[error(fmt = demo_fmt)]
    Demo { code: u16, message: Option<String> },
}

fn demo_fmt(code: &u16, message: &Option<String>, formatter: &mut fmt::Formatter) -> fmt::Result {
    write!(formatter, "{code}")?;
    if let Some(msg) = message {
        write!(formatter, " - {msg}")?;
    }
    Ok(())
}

Enums with an enum-level format message are now able to have individual variants that are transparent to supersede the enum-level message (#366)

#[derive(Error, Debug)]
#[error("my error {0}")]
pub enum Error {
    Json(#[from] serde_json::Error),
    Yaml(#[from] serde_yaml::Error),
    #[error(transparent)]
    Other(#[from] anyhow::Error),
}

`v1.0.68`

Compare Source

Handle incomplete expressions more robustly in format arguments, such as while code is being typed (#341, #344)

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This PR has been generated by Renovate Bot.

This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [thiserror](https://github.com/dtolnay/thiserror) | dependencies | major | `1.0.61` -> `2.0.0` | --- ### Release Notes <details> <summary>dtolnay/thiserror (thiserror)</summary> ### [`v2.0.1`](https://github.com/dtolnay/thiserror/releases/tag/2.0.1) [Compare Source](https://github.com/dtolnay/thiserror/compare/2.0.0...2.0.1) - Support errors that contain a dynamically sized final field ([#375](https://github.com/dtolnay/thiserror/issues/375)) - Improve inference of trait bounds for fields that are interpolated multiple times in an error message ([#377](https://github.com/dtolnay/thiserror/issues/377)) ### [`v2.0.0`](https://github.com/dtolnay/thiserror/releases/tag/2.0.0) [Compare Source](https://github.com/dtolnay/thiserror/compare/1.0.68...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](https://github.com/dtolnay/thiserror/issues/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. ```rust #[derive(Error, Debug)] #[error("... {type} ...")] // Before: {r#type} pub struct Error { pub r#type: Type, } ``` - Trait bounds are no longer inferred on fields whose value is shadowed by an explicit named argument in a format message ([#345](https://github.com/dtolnay/thiserror/issues/345)) ```rust // Before: impl<T: Octal> Display for Error<T> // After: impl<T> Display for Error<T> #[derive(Error, Debug)] #[error("{thing:o}", thing = "...")] pub struct Error<T> { thing: T, } ``` - 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](https://github.com/dtolnay/thiserror/issues/354)) ```rust #[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](https://github.com/dtolnay/thiserror/issues/368), [#369](https://github.com/dtolnay/thiserror/issues/369), [#370](https://github.com/dtolnay/thiserror/issues/370), [#372](https://github.com/dtolnay/thiserror/issues/372)) #### Features - Support disabling thiserror's standard library dependency by disabling the default "std" Cargo feature: `thiserror = { version = "2", default-features = false }` ([#373](https://github.com/dtolnay/thiserror/issues/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](https://github.com/dtolnay/thiserror/issues/350)) ```rust #[derive(Error, Debug)] #[error("{source} ==> {destination}")] pub struct Error { r#source: char, destination: char, } let error = Error { source: 'S', destination: 'D' }; ``` - Infinite recursion in a generated Display impl now produces an `unconditional_recursion` warning ([#359](https://github.com/dtolnay/thiserror/issues/359)) ```rust #[derive(Error, Debug)] #[error("??? {self}")] pub struct Error; ``` - A new attribute `#[error(fmt = path::to::myfmt)]` can be used to write formatting logic for an enum variant out-of-line ([#367](https://github.com/dtolnay/thiserror/issues/367)) ```rust #[derive(Error, Debug)] pub enum Error { #[error(fmt = demo_fmt)] Demo { code: u16, message: Option<String> }, } fn demo_fmt(code: &u16, message: &Option<String>, formatter: &mut fmt::Formatter) -> fmt::Result { write!(formatter, "{code}")?; if let Some(msg) = message { write!(formatter, " - {msg}")?; } Ok(()) } ``` - Enums with an enum-level format message are now able to have individual variants that are `transparent` to supersede the enum-level message ([#366](https://github.com/dtolnay/thiserror/issues/366)) ```rust #[derive(Error, Debug)] #[error("my error {0}")] pub enum Error { Json(#[from] serde_json::Error), Yaml(#[from] serde_yaml::Error), #[error(transparent)] Other(#[from] anyhow::Error), } ``` ### [`v1.0.68`](https://github.com/dtolnay/thiserror/releases/tag/1.0.68) [Compare Source](https://github.com/dtolnay/thiserror/compare/1.0.67...1.0.68) - Handle incomplete expressions more robustly in format arguments, such as while code is being typed ([#341](https://github.com/dtolnay/thiserror/issues/341), [#344](https://github.com/dtolnay/thiserror/issues/344)) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled because a matching PR was automerged previously. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

pierre added 1 commit 2024-11-09 00:13:01 +00:00

Update Rust crate thiserror to v2

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008696b817

pierre commented

2024-11-09 00:13:01 +00:00

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The artifact failure details are included below:

File name: Cargo.lock

Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path Cargo.toml --package thiserror@1.0.67 --precise 2.0.1
    Updating crates.io index
error: failed to select a version for the requirement `thiserror = "^1.0.63"`
candidate versions found which didn't match: 2.0.1
location searched: crates.io index
required by package `zip v2.2.0`
    ... which satisfies dependency `zip = "^2.1.3"` (locked to 2.2.0) of package `grammalecte_client v0.1.5 (/tmp/renovate/repos/gitea/pierre/GrammalecteClient)`

### ⚠️ Artifact update problem Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is. ♻ Renovate will retry this branch, including artifacts, only when one of the following happens: - any of the package files in this branch needs updating, or - the branch becomes conflicted, or - you click the rebase/retry checkbox if found above, or - you rename this PR's title to start with "rebase!" to trigger it manually The artifact failure details are included below: ##### File name: Cargo.lock ``` Command failed: cargo update --config net.git-fetch-with-cli=true --manifest-path Cargo.toml --package thiserror@1.0.67 --precise 2.0.1 Updating crates.io index error: failed to select a version for the requirement `thiserror = "^1.0.63"` candidate versions found which didn't match: 2.0.1 location searched: crates.io index required by package `zip v2.2.0` ... which satisfies dependency `zip = "^2.1.3"` (locked to 2.2.0) of package `grammalecte_client v0.1.5 (/tmp/renovate/repos/gitea/pierre/GrammalecteClient)` ```

pierre commented

2024-11-10 00:24:22 +00:00

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Reference: pierre/GrammalecteClient#47