snafu vs enum-code

snafu

Easily assign underlying errors into domain-specific errors while adding context (by shepmaster)

Rust Error Handling

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enum-code

derive(Code) simplifies error handling by providing an easy-to-use enumeration of error codes (by Kunduin)

Enum Error error-code Error Handling Macro Rust

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snafu		enum-code
	Project
2	Mentions	1
1,285	Stars	6
-	Growth	-
8.0	Activity	5.3
29 days ago	Latest Commit	11 months ago
Rust	Language	Rust
Apache License 2.0	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

snafu

Posts with mentions or reviews of snafu. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-04-09.

Modular Errors in Rust
3 projects | news.ycombinator.com | 9 Apr 2023

I encourage people to check out my SNAFU crate [1]. I encourage creating many distinct error types (usually enums but also structs) and composing them. So much so that I advocate that you never create one specific error in more than one source location. That means that the collection of error types produces a unique trace through your program, uniquely identifying the source of the error with no runtime cost (compare this to a runtime-collected stacktrace / backtrace).
[1]: https://docs.rs/snafu/
Announcing Rust 1.58.0
2 projects | /r/programming | 14 Jan 2022

Yes, all procedural macros are inherently unhygienic. This has even bitten us once before.

enum-code

Posts with mentions or reviews of enum-code. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-06-14.

Just open source a process macro「enum-code」for mapping enum values to error codes in Rust.
2 projects | /r/rust | 14 Jun 2023

You can find the code on Github: https://github.com/Kunduin/enum-code and crates.io: https://crates.io/crates/enum-code.

What are some alternatives?

When comparing snafu and enum-code you can also consider the following projects:

rust - Empowering everyone to build reliable and efficient software.

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miette - Fancy extension for std::error::Error with pretty, detailed diagnostic printing.

crates.io - The Rust package registry

deno - A modern runtime for JavaScript and TypeScript.

winresult - Debug-friendly rust types/codes for windows results

unsafe-code-guidelines - Forum for discussion about what unsafe code can and can't do

ebec - A collection of extensible ES6 error classes for different contexts.

gust - Built in Rust and leveraging Docker, JSON, and SQLite (with future integration of a GraphQL API), 'gust' simplifies the process of preserving your recipes and creating comprehensive grocery shopping lists.

maud - :pencil: Compile-time HTML templates for Rust

ariadne - A fancy diagnostics & error reporting crate