问题描述
在Clojure中，我想组合两个列表来给出一个对的列表，
In Clojure, I want to combine two lists to give a list of pairs,
> (zip '(1 2 3) '(4 5 6))
((1 4) (2 5) (3 6))
在 Haskell 或 Ruby 中，该函数称为 zip.实现它并不困难，但我想确保我没有遗漏 Core 或 Contrib 中的某个函数.
In Haskell or Ruby the function is called zip. Implementing it is not difficult, but I wanted to make sure I wasn't missing a function in Core or Contrib.
Core 中有一个 zip 命名空间，但它是 描述为提供对 Zipper 功能技术的访问，这似乎不是我所追求的.
There is a zip namespace in Core, but it is described as providing access to the Zipper functional technique, which does not appear to be what I am after.
Core 中是否有以这种方式组合 2 个或更多列表的等效功能?
Is there an equivalent function for combining 2 or more lists, in this way, in Core?
如果没有，是不是因为有一种惯用的方法使函数变得不需要?
If there is not, is it because there is an idiomatic approach that renders the function unneeded?
推荐答案
(map vector '(1 2 3) '(4 5 6))
做你想做的事:
=> ([1 4] [2 5] [3 6])
Haskell 需要一组 zipWith (zipWith3, zipWith4, ...) 函数，因为它们都需要是特定的输入;特别是，他们接受的输入列表的数量需要固定.(zip、zip2、zip3、...族可以看作是zipWith族的特化用于元组的常见用例).
Haskell needs a collection of zipWith (zipWith3, zipWith4, ...) functions, because they all need to be of a specific type; in particular, the number of input lists they accept needs to be fixed. (The zip, zip2, zip3, ... family can be regarded as a specialisation of the zipWith family for the common use case of tupling).
相比之下，Clojure 等 Lisps 对可变元函数有很好的支持；map 就是其中之一，可以以类似于 Haskell 的方式用于元组"
In contrast, Clojure and other Lisps have good support for variable arity functions; map is one of them and can be used for "tupling" in a manner similar to Haskell's
zipWith (x y -> (x, y))
在 Clojure 中构建元组"的惯用方法是构建一个短向量，如上所示.
The idiomatic way to build a "tuple" in Clojure is to construct a short vector, as displayed above.
(为了完整起见，请注意具有一些基本扩展的 Haskell 确实允许可变数量函数；但是，使用它们需要对语言有很好的理解，而 vanilla Haskell 98 可能根本不支持它们，因此固定数量函数函数更适合标准库.)
(Just for completeness, note that Haskell with some basic extensions does allow variable arity functions; using them requires a good understanding of the language, though, and the vanilla Haskell 98 probably doesn't support them at all, thus fixed arity functions are preferrable for the standard library.)
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