"Contracts are a means of setting preconditions and postconditions on function declarations, and adding assertion statements within functions. The feature is intended to help make C++ code safer and more reliable."
"Stroustrup said he will recommend not using contracts in C++. 'This is adding complexity in very obscure ways. It's changing the meaning of code depending on where it is... I worry a lot about the complexity, I worry about whether we can use it correctly.'"
The ISO C++ committee approved the C++26 standard on March 28, with Contracts as a major feature aimed at enhancing code safety and reliability. Despite its approval, Contracts faced opposition from C++ inventor Bjarne Stroustrup, who criticized the complexity it introduces. The committee also set a schedule for C++29, with work already underway. The C++26 proposal aims to deliver a minimum viable product, although it has gaps, such as the lack of support for contracts on virtual functions. Sutter advocates for Contracts, while Stroustrup expresses concerns about their viability.
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