2016-2-15,Monday 预计阅读时间: 2 minutes and 29 seconds with 549 words. 本文总阅读量次programme
我们设定一个接口,该接口实现包括三个constructor和1个observer
zero successor predecessor zero? 当然也可以拓展该接口包括scheme-val->my-val,my-val->scheme-val,plus等。 下面看一下如何实现三个相同接口的实现,从而体味data abstraction(data representation or data boundary).
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2016-2-14,Sunday 预计阅读时间: 2 minutes and 12 seconds with 487 words. 本文总阅读量次programme
The notes is published for rethinking what I am reading in the book called [《Teach Yourself Scheme in Fixnum Days》][3]. It is a good book for introducing scheme(you’d better have read the TLS)
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2016-2-9,Tuesday 预计阅读时间: 12 minutes and 43 seconds with 2799 words. 本文总阅读量次programme
All programs are data. All intepreters are program. All Handware and software,or type checkers etc are interpreter.
I think data conceives the soul,not only the fixed process,but changing vari-language.
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