# C++26 Contracts Explained: An Introduction to Preconditions and Postconditions

A Hacker News-linked article introduces the contracts feature planned for C++26, explaining how preconditions and postconditions let developers specify and enforce assumptions about functions. The feature aims to make C++ code safer and easier to debug by catching contract violations at compile time or runtime. It matters mainly to C++ developers tracking the language's evolving standard.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://www.cppstories.com/2026/cpp26_contracts/) — Thu, 15 Oct 2026 13:11:26 +0000