Many modern languages require programmers to know exactly what is stored in any location. This is done in the name of "safety", but is just dumb. Code that need

Many modern languages require programmers to know exactly what is stored in any location. This is done in the name of "safety", but is just dumb. Code that needs to know the types of absolutely everything is simply slow and requires enormous repetition (or a system of boilerplate generation such as the STL).