Kent C. Dodds • 3/2/2021

How to write a Constrained Identity Function (CIF) in TypeScript

Read Original

This article explains the problem of maintaining type safety when defining an object of functions in TypeScript. Using a calculator component as an example, it details the limitations of basic type annotations and introduces the Constrained Identity Function (CIF) pattern as a solution to enforce consistent function types and enable better type inference for object keys.

0 comments
#TypeScript #type inference #generic constraints
How to write a Constrained Identity Function (CIF) in TypeScript

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
Webinar Series – SQL Server Indexing
Koen Verbeeck • 1 votes
2
Risks and Limitations of AI in the Life Sciences
Jeremy Howard • 1 votes
3
1M context is now generally available for Opus 4.6 and Sonnet 4.6
Simon Willison • 1 votes
4
AI is my CMS
Chris Coyier • 1 votes
5
When your coding agent doesn’t understand your project, you’ll get junk
Benjamin Cane • 1 votes
6
LLM Use in the Python Source Code
Miguel Grinberg • 1 votes