41 lines
700 B
Plaintext
41 lines
700 B
Plaintext
== Why is this an issue?
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There's no need to null test in conjunction with an ``++TypeOf ... Is++`` test. ``++Nothing++`` is not an instance of anything, so a null check is redundant.
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=== Noncompliant code example
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[source,vbnet]
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----
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If (x IsNot Nothing And TypeOf x Is MyClass)
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' ...
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End If
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If (x Is Nothing Or TypeOf x IsNot MyClass)
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' ...
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End If
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----
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=== Compliant solution
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[source,vbnet]
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----
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If (TypeOf x Is MyClass)
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' ...
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End If
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If (TypeOf x IsNot MyClass)
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' ...
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End If
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----
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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include::../message.adoc[]
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include::../highlighting.adoc[]
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endif::env-github,rspecator-view[]
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