The prolog is not hardly to learn. I think that maybe I have learnt scheme language, so during learning prolog, I almost did not
meet a very different point. I know why the scheme program language is calles as the Queen in the program languages. Many program
languages, especially scripts, inherited a lot of useful, powerful concepts, such as closure, tail recurision, lambda calculs, list,
and so forth.
These years, some new program languages advented. They are prevailed in throusands programmers. I remembered Perl popular in 90'sth.
Nowadays, Python and Ruby is super star. Perl seems to be indifferent by people. In additon, there is C# language, from famous Microsoft.
They also support lambda calculs.
The list and its varieties, such as table, array, vector, also be supported all around. Many years ago, I began to learn Python.
I was puzzled by the "tuple" in Python. What it is on the earth? In fact, it is from the vector from scheme language.
The list, vector, array, string, and so on, they all are sequence. In order to use them efficiently, we make these different types.
List is so flexible to make lots of structures. As usually, it is uni-directional. The vector, and the array, is used to asscessed quicky.
At once, their size unusually are modified.
meet a very different point. I know why the scheme program language is calles as the Queen in the program languages. Many program
languages, especially scripts, inherited a lot of useful, powerful concepts, such as closure, tail recurision, lambda calculs, list,
and so forth.
These years, some new program languages advented. They are prevailed in throusands programmers. I remembered Perl popular in 90'sth.
Nowadays, Python and Ruby is super star. Perl seems to be indifferent by people. In additon, there is C# language, from famous Microsoft.
They also support lambda calculs.
The list and its varieties, such as table, array, vector, also be supported all around. Many years ago, I began to learn Python.
I was puzzled by the "tuple" in Python. What it is on the earth? In fact, it is from the vector from scheme language.
The list, vector, array, string, and so on, they all are sequence. In order to use them efficiently, we make these different types.
List is so flexible to make lots of structures. As usually, it is uni-directional. The vector, and the array, is used to asscessed quicky.
At once, their size unusually are modified.
本文探讨了Scheme语言作为程序语言皇后的原因及其对其他语言如Python和Ruby的影响。作者回顾了从学习Scheme到理解现代语言特性如闭包、尾递归等的过程,并对比了Perl、Python和Ruby等语言的发展趋势。
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