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//
// immer: immutable data structures for C++
// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
//
// This software is distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
//
// Thanks to @jeaye for reporting this issue
// https://github.com/arximboldi/immer/issues/177
#include <immer/box.hpp>
#include <immer/vector.hpp>
#include <immer/vector_transient.hpp>
#include <catch2/catch.hpp>
struct object;
template <typename T>
struct is_valid_type
{
static bool constexpr value{false};
};
template <>
struct is_valid_type<object>
{
static bool constexpr value{true};
};
struct object
{
using vector_type = immer::vector<immer::box<object>>;
template <typename T>
object(T&&)
{
static_assert(is_valid_type<T>::value, "invalid type");
}
};
TEST_CASE("strange bad constructor called")
{
object::vector_type::transient_type t;
// If this next line is commented out, the code compiles.
(void) t.persistent();
}
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