Function Statement
ΠΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅Ρ ΠΏΠΎΠ΄ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΡ, ΠΊΠΎΡΠΎΡΠ°Ρ ΠΌΠΎΠΆΠ΅Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡΡΡ ΠΊΠ°ΠΊ Π²ΡΡΠ°ΠΆΠ΅Π½ΠΈΠ΅ Π΄Π»Ρ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ Π²ΠΎΠ·Π²ΡΠ°ΡΠ°Π΅ΠΌΠΎΠ³ΠΎ ΡΠΈΠΏΠ°.
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 ΠΠ°ΠΏΠΎΠ»Π½Π΅Π½ΠΈΠ΅ ΠΌΠ°ΡΡΠΈΠ²Π° ΠΊΠΎΠ½ΡΡΠΎΠ»ΡΠ½ΡΠΌΠΈ Π΄Π°Π½Π½ΡΠΌΠΈ
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 ΠΈΡΠ΅Ρ TextArray:sList() Π΄Π»Ρ TextEntry:
REM ΠΠΎΠ·Π²ΡΠ°ΡΠ°Π΅ΠΌΠΎΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ - ΠΈΠ½Π΄Π΅ΠΊΡ Π·Π°ΠΏΠΈΡΠΈ ΠΈΠ»ΠΈ 0 (Null)
For iCount=1 To Ubound( sList() )
If sList( iCount ) = sItem Then
Exit for REM sItem ΠΎΠ±Π½Π°ΡΡΠΆΠ΅Π½Π°
End If
Next iCount
If iCount = Ubound( sList() ) Then iCount = 0
LinSearch = iCount
End Function