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ju (at) jugilo (dot) de
I am a mathematician and a member of the "small is beautiful" crowd. And R5RS-Scheme is the definite example, that a small language is possible which allows one to do almost everything with it. And that in a clear syntax -- or should I better say -- with almost no syntax at all? And it is a programmable programming language! You can always add new syntax to it.
In my mind, Chicken is the best Scheme implementation. Its compiler compiles to C in the most ingenious way, it has the simplest interface to C, and it has a beautiful infrastructure, the eggs system, a helpful community and, and, and ...
An implementation of "Design by Contract", coined by Bertrand Meyer for his Eiffel language.
Low level macros made easy. A merger of the two eggs er-macros and ir-macros, which are now obsolete.
Some simple loop macros.
A light-weight alternative to the matchable egg, with many enhancements. Can destructure arbitrary mixtures of lists, pseudolists, vectors and strings.
Something like immutable random-access vectors, with empty, couples and triples as special cases, and mutable singles as a possible replacement of boxes.
lazy list implementation based on lazy-seq.
An alternative to balanced search-trees.
combine the advantages of linked lists (fast insert and remove) and vectors (fast access)
Some simple macros and commands which help debugging and testing
Syntactic sugar for Marc Feeley's continuation interface providing i.a. catch and throw
My first implementation of "Design by Contract". Now obsolete, use dbc instead.
Explicit renaming macros made easy. Deprecated, use low-level-macros instead!
Implicit renaming macros made even easier. Deprecated, use low-level-macros instead!