Erlang-列表 - 芒果文档

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📜 Erlang-列表

📅 最后修改于: 2020-11-04 05:53:10 🧑 作者: Mango

列表是用于存储数据项集合的结构。在Erlang中，列表是通过将值括在方括号中来创建的。

以下是在Erlang中创建数字列表的简单示例。

例

-module(helloworld). 
-export([start/0]). 

start() -> 
   Lst1 = [1,2,3], 
   io:fwrite("~w~n",[Lst1]).

上面示例的输出将是-

[1 2 3]

现在让我们讨论List可用的各种方法。请注意，列表库需要导入才能使这些方法起作用。

Sr.No	Method and Description
1	all Returns true if Pred(Elem) returns true for all elements Elem in List, otherwise false.
2	any Returns true if Pred(Elem) returns true for at least one element Elem in List.
3	append Returns a new list List3 which is made from the elements of List1 followed by the elements of List2.
4	delete Deletes an element from the list and returns a new list.
5	droplast Drops the last element of a List.
6	duplicate Returns a list which contains N copies of the term Elem
7	last Returns the last element of the list
8	max Returns the element of the list which has the maximum value.
9	member Checks if an element is present in the list or not.
10	min Returns the element of the list which has the minimum value.
11	merge Returns the sorted list formed by merging all the sub-lists of ListOfLists.
12	nth Returns the Nth element of List.
13	nthtail Returns the Nth tail of the List.
14	reverse Reverses a list of elements.
15	sort Sorts a list of elements.
16	sublist Returns a sublist of elements.
17	sum Returns the sum of elements in the list.