While thinking about the way to implement Scheme R5RS, I have become puzzled about the following extract of R5RS (pages 22-23):
T开发者_如何转开发his is what works: (define obj1 (maak-object (coord 1 1) #f #f #t)) (set! karaktersenobjectenlijst (append karaktersenobjectenlijst
I am using MIT/GNU开发者_如何学运维 Scheme. If I calculate two integers\' quotient and the quotient is float, the output is not a float number, but two number\'s expression, like: 12222222222222232/23
Is开发者_StackOverflow中文版 the identity function pre-defined in Scheme?Yes, but it\'s called values.Actually, that\'s usually used for multiple values, so it\'s a generalized multiple-arity identity
It\'s late and I should go to bed and maybe that\'s why I can\'t figure this out. I\'m on a fedora-13 machine and I just ran
I want to write an event loop single threaded web server to deal with each request in Racket. I see there are select method in unix that I can call,
I\'ve heard that one of McCarthy\'s original motivations for inventing Lisp was to write a system for automatic differentiation. Despite this, my Google searches haven\'t yielded any libraries/macros
I\'m going through Casting SPELs in Lisp and this is the proposed solution to handling picking up objects:
How useful is the feature of having an atom data type in a programming language? A few programming languages have the concept of atom or symbol to represent a constant of sorts. There are a few diffe
I tried to read string from an input-port in Racket, but no matter what API functions I used to read (read, read-string, read-bytes etc), the return value of those functions was never equal eof-object