Tip of the day #4: Type annotations on Rust match patterns
Read OriginalThis technical article details a specific Rust programming challenge: adding type annotations to match pattern branches when the compiler's type inference fails. It presents the error scenario, explores incorrect and correct syntax (like `Err::<_, TryFromSliceError>(err)`), and recommends better solutions such as annotating the resulting variable or the error variable inside the branch.
Comments
No comments yet
Be the first to share your thoughts!
Browser Extension
Get instant access to AllDevBlogs from your browser
Top of the Week
1
The Beautiful Web
Jens Oliver Meiert
•
2 votes
2
Container queries are rad AF!
Chris Ferdinandi
•
2 votes
3
Wagon’s algorithm in Python
John D. Cook
•
1 votes
4
An example conversation with Claude Code
Dumm Zeuch
•
1 votes
5
Top picks — 2026 January
Paweł Grzybek
•
1 votes
6
In Praise of –dry-run
Henrik Warne
•
1 votes
7
Deep Learning is Powerful Because It Makes Hard Things Easy - Reflections 10 Years On
Ferenc Huszár
•
1 votes
8
Vibe coding your first iOS app
William Denniss
•
1 votes
9
AGI, ASI, A*I – Do we have all we need to get there?
John D. Cook
•
1 votes
10
How to Add a Quick Interactive Map to your Website
Miguel Grinberg
•
1 votes