void EXPECT_RIGHT_IS(const Expected &expected, either<Left, Right> &value) {
EXPECT_IS_RIGHT(value);
EXPECT_EQ(expected, value.right());
EXPECT_EQ(expected, value.right_opt().get());
EXPECT_EQ(boost::none, value.left_opt());
const either<Left, Right> &const_value = value;
EXPECT_EQ(expected, const_value.right());
EXPECT_EQ(expected, const_value.right_opt().get());
EXPECT_EQ(boost::none, const_value.left_opt());
}
bool operator==(either<Left, Right> const& lhs, either<Left, Right> const& rhs)
{
if (lhs.is_left() == rhs.is_left())
{
if (lhs.is_left()) return lhs.left() == rhs.left();
else return lhs.right() == rhs.right();
}
return false;
}
void EXPECT_IS_RIGHT(const either<Left,Right> &val) {
EXPECT_FALSE(val.is_left());
EXPECT_TRUE(val.is_right());
}
bool operator==(either<Left, Right> const& lhs, Right const& rhs)
{
return lhs.is_right() && lhs.right() == rhs;
}
inline bool empty(const either<Types...>& e)
{
return !(e.which() > 0); // index 0 is boost::blank, which means it's empty
}