Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This is an older version of Boost and was released in 2018. The current version is 1.90.0.
BOOST_CONTRACT_ASSERT — Preferred way to assert contract conditions.
// In header: <boost/contract/assert.hpp>
BOOST_CONTRACT_ASSERT(cond)Any exception thrown from within a contract (preconditions, postconditions, exception guarantees, old value copies at body, class invariants, etc.) is interpreted by this library as a contract failure. Therefore, users can program contract assertions manually throwing an exception when an asserted condition is checked to be false (this library will then call the appropriate contract failure handler boost::contract::precondition_failure, etc.). However, it is preferred to use this macro because it expands to code that throws boost::contract::assertion_failure with the correct assertion file name (using __FILE__), line number (using __LINE__), and asserted condition code so to produce informative error messages.
BOOST_CONTRACT_ASSERT, BOOST_CONTRACT_ASSERT_AUDIT, and BOOST_CONTRACT_ASSERT_AXIOM are the three assertion levels predefined by this library.
See Also:
Preconditions, Postconditions, Exceptions Guarantees, Class Invariants
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