class Resolver_Print implements Resolver {
 void notifyCollisionParticleSegment(Particles psA, int iA, Segment s, double tcoll) {
   print("notifyCollisionParticleSegment(${psA}, ${iA}, ${s}, ${tcoll});");
 }
 void notifyCollisionParticleParticle(Particles psA, int iA, Particles psB, int iB, double tcoll){
   print("notifyCollisionParticleParticle(${psA}, ${iA}, ${psB}, ${iB}, ${tcoll});");
 }
}