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## Macro BOOST_CONTRACT_NO_INVARIANTS

BOOST_CONTRACT_NO_INVARIANTS — If defined, this library does not check class invariants (undefined by default).

## Synopsis

    // In header: <boost/contract/core/config.hpp>

    BOOST_CONTRACT_NO_INVARIANTS

## Description

If this macro is defined, this library internal code is also optimized to reduce compile-time (not just run-time) overhead associated with checking class invariants. In addition, users can manually program `#ifndef` statements in their code using this macro to completely disable compilation of class invariants or use the macros defined in `boost/contract_macro.hpp` (recommended only for applications where it is truly necessary to completely remove contract code compilation from production code).

Defining this macro is equivalent to defining both `BOOST_CONTRACT_NO_ENTRY_INVARIANTS` and `BOOST_CONTRACT_NO_EXIT_INVARIANTS`.

See Also:

Class Invariants, Disable Contract Checking, Disable Contract Compilation