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Help / WLanguage / WLanguage functions / Standard functions / Memory area functions
  • Sorting the memory area
  • Existence of memory area
  • Equivalence
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Stored procedures
Warning
From version 20, this feature is kept for backward compatibility. We recommend that you use Associative arrays.
Sets the position on the last element of memory area and returns the value of this element.
Example
// Positions on the last element found in "MyMemoryZone"
// and returns the value of this element
LastRes = MemLast("MyMemoryZone")
Syntax
<Result> = MemLast(<Memory area>)
<Result>: Any type
  • If the memory area is not empty: return value of last element, defined by MemAdd or MemModify.
  • If the memory area is empty: an empty string ("").
<Memory area>: Character string
Name of the memory area, defined by MemCreate.
Remarks

Sorting the memory area

The sorts performed by MemSort are taken into account during the call to MemLast.
If no sort was requested by MemSort, MemLast returns the value of the last element added by MemAdd.

Existence of memory area

The existence of the memory zone is not checked.
If the specified memory area does not exist, a WLanguage error occurs when MemLast is used.
To check the existence of a memory area, use MemExist.

Equivalence

The two following syntaxes are equivalent:
Res = MemLast(<Memory area>)

Res = MemRetrieve(<Memory area>, MemCount(<Memory Zone>))
Business / UI classification: Neutral code
Component: wd290std.dll
Minimum version required
  • Version 9
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Last update: 05/26/2022

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