scala - 查找 Scala Array 深层文档？

Question

SO answer by Jerry包括 deep 的这种使用:

println(k.deep)

工作原理:

scala> println(Array(10, 20, 30, 40).deep)
Array(10, 20, 30, 40)

我正在寻找有关 deep 的文档对于 Array .我去 Scala Standard Library 2.13.0 Array并在页面上搜索 deep并且没有匹配项。



这个顺序不正确怎么办？

Answer 1

根据 https://github.com/scala/bug/issues/10985，它似乎已从 Scala 2.13 中删除。 :

It's a hacky ugly testing utility to print values in (nested) arrays. If you feel strongly about it, we can add it deprecated.

您仍然可以在 2.12 docs 中找到它并在 2.12 branch :

  /** Creates a possible nested `IndexedSeq` which consists of all the elements
   *  of this array. If the elements are arrays themselves, the `deep` transformation
   *  is applied recursively to them. The `stringPrefix` of the `IndexedSeq` is
   *  "Array", hence the `IndexedSeq` prints like an array with all its
   *  elements shown, and the same recursively for any subarrays.
   *
   *  Example:
   *  {{{
   *  Array(Array(1, 2), Array(3, 4)).deep.toString
   *  }}}
   *  prints: `Array(Array(1, 2), Array(3, 4))`
   *
   *  @return    An possibly nested indexed sequence of consisting of all the elements of the array.
   */
  def deep: scala.collection.IndexedSeq[Any]