Josh Goldberg • 3/30/2023

TypeScript Contribution Diary: Tuple Types Indexed by a Type Parameter

Read Original

The article details the process of diagnosing and fixing TypeScript issue #50875, where using a spread operator on a tuple accessed via a generic type parameter (N extends number) incorrectly infers the resulting type. It walks through the bug reproduction, investigation into the type checker, and the eventual pull request to resolve the issue.

0 comments
#TypeScript #type inference #generics
TypeScript Contribution Diary: Tuple Types Indexed by a Type Parameter

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
When your coding agent doesn’t understand your project, you’ll get junk
Benjamin Cane • 1 votes
3
LLM Use in the Python Source Code
Miguel Grinberg • 1 votes
4
Wagon’s algorithm in Python
John D. Cook • 1 votes
5
An example conversation with Claude Code
Dumm Zeuch • 1 votes