What are C++26 Contracts?

Pre/postconditions and assertions on functions to boost safety—think runtime checks without full runtime.

Why did Bjarne Stroustrup oppose C++26 Contracts?

Calls it non-minimal, non-viable; adds obscure complexity, changes code meaning contextually.

When does C++26 release?

Post-ballot, implementations rolling out 2026—compilers first, full standard soon after.

C++26 Locks in Contracts—Even as Stroustrup Calls Them a Mess

Everyone figured C++26 would trim the fat after years of bloat. Instead, it stuffs in Contracts—a feature its own creator slams as unminimal and unusable.

theAIcatchup Apr 07, 2026 4 min read

ISO C++ committee approving C++26 standard with Contracts feature amid dissent from Bjarne Stroustrup

⚡ Key Takeaways

C++26 approved with Contracts despite Stroustrup's strong opposition, 114-12 vote. 𝕏
Feature promises safer code via preconditions/postconditions, but criticized as complex and unviable. 𝕏
Other wins: compile-time reflection, memory safety improvements, std::execution framework. 𝕏

Published by

theAIcatchup

Community-driven. Code-first.

#Bjarne Stroustrup #C++26 #Contracts #Herb Sutter #ISO C++ committee #WG21

Worth sharing?

Get the best Open Source stories of the week in your inbox — no noise, no spam.

Originally reported by The Register - DevOps

⚡ Key Takeaways

The 60-Second TL;DR

theAIcatchup

Share this article

Worth sharing?

Related Stories

Rust 1.94.0: Array Windows and TOML Tricks Supercharge Safe Coding

Python 3.15 Alpha 7: JIT Rockets and Lazy Imports Land

Python 3.14 Lands: Free-Threading Goes Official After 30 Years of GIL Gripes

Python 3.14.3 Unlocks Free-Threaded CPython: GIL-Free Dreams Become Reality

Stay in the loop