std::ostream& operator<<(std::ostream& o, const value& x) {
if (type_id_is_scalar(x.type()))
return o << proton::get<scalar>(x); // Print as a scalar
// Use pn_inspect for complex types.
proton::decoder d(x);
return o << d;
}
/// Like coerce(const value&) but assigns the value to a reference
/// instead of returning it. May be more efficient for complex values
/// (arrays, maps, etc.)
///
/// @related proton::value
template<class T> void coerce(const value& v, T& x) {
codec::decoder d(v, false);
if (type_id_is_scalar(v.type())) {
scalar s;
d >> s;
x = internal::coerce<T>(s);
} else {
