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== Why is this an issue?
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Passing parameters by reference requires developers to understand the subtle differences between reference and value types. It is preferable to avoid passing parameters by reference when possible.
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=== Noncompliant code example
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[source,vbnet]
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----
Module Module1
Sub Foo(ByRef result As Integer) ' Non-Compliant
result = 42
End Sub
Sub Main()
Dim result As Integer
Foo(result)
Console.WriteLine(result)
End Sub
End Module
----
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=== Compliant solution
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[source,vbnet]
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----
Module Module1
Function Foo() As Integer ' Compliant
Return 42
End Function
Sub Main()
Dim result As Integer = Foo()
Console.WriteLine(result)
End Sub
End Module
----
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ifdef::env-github,rspecator-view[]
'''
== Implementation Specification
(visible only on this page)
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=== Message
Refactor the code and pass "xxx" by value instead.
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endif::env-github,rspecator-view[]