ModulePointer resolve(String modName){
  return (ModulePointer)context.get(modName);
}

ModulePointer resolve ( String modName ) { return ( ModulePointer ) context . get ( modName ) ; }
find the modulepointer that the string modname resolves to ; return null if either modname is not found in the context or if it is found and resolves to null , i . e . is not yet resolved .
