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Calling the ``+``, ``++-++`` or ``++NOT++`` prefix operator twice does nothing: the second invocation undoes the first. Such mistakes are typically caused by accidentally double-tapping the key in question without noticing.
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Either this is a bug, if the operator was actually meant to be called once, or misleading if done on purpose.
== Noncompliant Code Example
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[source,sql]
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----
IF NOT ( NOT foo = 5 ) THEN -- Noncompliant
value := ++1; -- Noncompliant
END IF;
----
== Compliant Solution
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[source,sql]
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----
IF foo = 5 THEN -- Compliant
value := +1; -- Compliant
END IF;
----
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ifdef::env-github,rspecator-view[]
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'''
== Implementation Specification
(visible only on this page)
include::../message.adoc[]
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'''
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== Comments And Links
(visible only on this page)
include::comments-and-links.adoc[]
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endif::env-github,rspecator-view[]