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XSharpLoadLibrary Function (RT)

Year Function (RT)

SEvalA Function

Execute a code block for each of the individual characters in a string, changing the contents of the argument as well as the return value.

Namespace: XSharp.RT
Assembly: XSharp.RT (in XSharp.RT.dll) Version: 2.19

Syntax

Copy

 FUNCTION SEvalA(
	cString,
	cbBlock,
	nStart,
	nCount
) AS STRING CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public static string SEvalA(
	Usual cString = default,
	Usual cbBlock = default,
	Usual nStart = default,
	Usual nCount = default
)

Request Example View Source

Parameters

cString (Optional): Type: Usual
The string to scan.
cbBlock (Optional): Type: Usual
The code block to execute for each character encountered.
nStart (Optional): Type: Usual
nCount (Optional): Type: Usual

Return Value

Type: String
A string of characters that have been processed by the code block.

Remarks

SEvalA() is identical to SEval() in that they both evaluate a code block once for each character of a string, passing the ASCII value and the character index as arguments.
The only difference is that, while SEval() ignores the return value of the code block, SEvalA() assigns the return value to the original string. See SEval() for details.

Examples

This example uses SEvalA() to change part of a string to uppercase:

Copy

1LOCAL cString
2cString := "He was doa."
3? SEvalA(cString,;
4    {|cChar| Asc(Upper(Chr(cCha-r)))}, 8, 3)
5// "He was DOA."
6? cString                            // "He was DOA."

Reference

Functions, Globals and Defines

XSharp.RT Namespace

AEvalA

DbEval(Usual, Usual, Usual, Usual, Usual, Usual, Usual)

Eval

QOut

SEval(Usual, Usual, Usual, Usual)