ListContainsElements

Type

operator

Summary

Determines if Target contains Needle as a subsequence.

Syntax

<Target> contains <Needle>

Description

Target contains Needle if and only if the elements of Needle occur as a subsequence of the elements of Target.

note

Since "" is a subsequence of elements of every list, every list contains the empty list.

Parameters

Name	Type	Description
Needle		Any expression which evaluates to a list.
Target		An expression which evaluates to a list.

Examples

variable tList as List
put [ "a", "b", "c", "d" ] into tList

variable tContains as Boolean

// put tList contains tList[1] into tContains -- error: tList[1] is not a list 

put tList contains element 1 to 2 of tList into tContains -- tContains is true