mpq_rational asserts

main.cpp

#include <boost/variant.hpp>
#include <boost/multiprecision/gmp.hpp>

struct Foo {
	Foo() {}
	Foo(const Foo&) {}
};

int main() {
	typedef boost::multiprecision::mpq_rational Num;
	typedef boost::variant<Foo, Num> Variant;

	Variant x = Num(2);
	Variant y = std::move(x);

	x = Foo();
}

Makefile

#This Makefile assumes libgmp is installed under /usr/local
test: main.cpp
	g++ -std=c++11 $^ /usr/local/lib/libgmp.a -O0 -g -o $@