Inside 245-5D

Existential Pontification and Generalized Abstract Digressions

Scheming environments

Environments are first-class objects in MIT/GNU Scheme. This is neat, because an integral part of the lexical structure of a Scheme is also a data-structure in its own right, able to encode data and behavior. In fact, the environment data structure is precisely what Yegge calls property lists, maps that can be linked up with […]

  • February 12, 2010