Function Statement
Difinas subproceduron uzeblan kiel esprimon por difini liveran tipon.
Sub or Function statements are similar methods, without distinction. They receive parameters by reference allowing them to be modified. LibreOffice Basic compiler accepts their respective syntax to be used interchangeably.
[Private | Public] Function Name[char] (argument1 [As Type][, argument2[char][,...]]) [As typename]
statements
[Exit Function]
statements
End Function
scope: Function default scope is Public. A Private scope denotes a module internal routine, not intended to be used from other modules.
name: Name of the subroutine to contain the value returned by the function.
arguments: Parameters to be passed to the subroutine.
Examples:
Sub ExampleExit
Dim sReturn As String
Dim sListArray(10) As String
Dim siStep As Single
For siStep = 0 to 10 REM Plenigu tabelon per testaj datumoj
sListArray(siStep) = chr$(siStep + 65)
MsgBox sListArray(siStep)
Next siStep
sReturn = LinSearch(sListArray(), "B")
Print sReturn
End Sub
Function LinSearch( sList(), sItem As String ) As Integer
Dim iCount As Integer
REM Linsearch serĉos en TextArray:sList() por iu TextEntry:
REM Livera valoro estos la indico de la elemento aŭ 0 (Null)
For iCount=1 To Ubound( sList() )
If sList( iCount ) = sItem Then
Exit for REM sItem trovita
End If
Next iCount
If iCount = Ubound( sList() ) Then iCount = 0
LinSearch = iCount
End Function