mirror of
https://github.com/boostorg/optional.git
synced 2025-11-04 01:31:57 +01:00
63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
|
|
//
|
|
// Use, modification, and distribution is subject to the Boost Software
|
|
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
// See http://www.boost.org/lib/optional for documentation.
|
|
//
|
|
// You are welcome to contact the author at:
|
|
// fernando_cacciola@hotmail.com
|
|
//
|
|
#include<iostream>
|
|
#include<stdexcept>
|
|
#include<string>
|
|
|
|
#define BOOST_ENABLE_ASSERT_HANDLER
|
|
|
|
#include "boost/optional/optional.hpp"
|
|
|
|
#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
|
|
#include "boost/utility/typed_in_place_factory.hpp"
|
|
#endif
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#include "boost/test/minimal.hpp"
|
|
|
|
#include "optional_test_common.cpp"
|
|
|
|
#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
|
|
struct A
|
|
{
|
|
A ( double a0, std::string a1 ) : m_a0(a0), m_a1(a1) {}
|
|
|
|
friend bool operator == ( A const& x, A const& y )
|
|
{ return x.m_a0 == y.m_a0 && x.m_a1 == y.m_a1 ; }
|
|
|
|
double m_a0 ;
|
|
std::string m_a1 ;
|
|
} ;
|
|
|
|
int test_main( int, char* [] )
|
|
{
|
|
// This must fail to compile.
|
|
// The first template argument to in_place<> is the target-type,
|
|
// not the first constructor parameter type.
|
|
boost::optional<A> opt2 ( boost::in_place<int>(3.14,"pi") ) ;
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
int test_main( int, char* [] )
|
|
{
|
|
boost::optional<A> opt2 ( int(3.14) ) ;
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
|