void parse (StringParser& p, Math::Vector3<T>& out) {
size_t start = p.pos ();
p.expect (typeid (Math::Vector3<T>), start, '(');
parse (p, out.x ());
p.expect (typeid (Math::Vector3<T>), start, ',');
parse (p, out.y ());
p.expect (typeid (Math::Vector3<T>), start, ',');
parse (p, out.z ());
p.expect (typeid (Math::Vector3<T>), start, ')');
}
void parse (StringParser& p, Math::DiagMatrix3<T>& out) {
size_t start = p.pos ();
if (p.peek () == '(') {
p.expect (typeid (Math::DiagMatrix3<T>), start, '(');
parse (p, out.m11 ());
p.expect (typeid (Math::DiagMatrix3<T>), start, ',');
parse (p, out.m22 ());
p.expect (typeid (Math::DiagMatrix3<T>), start, ',');
parse (p, out.m33 ());
p.expect (typeid (Math::DiagMatrix3<T>), start, ')');
} else {
T value;
parse (p, value);
out = Math::DiagMatrix3<T> (value, value, value);
}
}
