contract/test/specify/old_pre_error.cpp

// Copyright (C) 2008-2016 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0 (see accompanying
// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html

// Test old before pre error (for free func, but same for all contracts).

#include <boost/contract/function.hpp>
#include <boost/contract/guard.hpp>

void f() {
    boost::contract::guard c = boost::contract::function()
        .old([] {}) // Error (old before pre).
        .precondition([] {})
    ;
}

int main() {
    f();
    return 0;
}