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navpatterns/3-cal-coding-guidelines/design/unused-variables/index.html
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@ -5,16 +5,16 @@
<meta name=generator content="Hugo 0.92.1">
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<title>Unused Variables :: AL Guidelines</title>
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@ -32,9 +32,9 @@ ALGuidelines.Dev
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@ -258,36 +258,36 @@ ALGuidelines.Dev
<p>Do not declare variables that are unused.</p>
<p>Unused variables affect readability.</p>
<p>Bad code</p>
<pre><code>PROCEDURE CheckPostingDate@23(CaptionEntryNo@1005 : Text\[50\]);
<pre><code>PROCEDURE CheckPostingDate@23(CaptionEntryNo@1005 : Text[50]);
BEGIN
IF GenJnlCheckLine.DateNotAllowed(PostingDate) THEN
ERROR(DateNotAllowedErr,Caption,EntryNo)
IF PostingDate \&gt; MaxPostingDate THEN
MaxPostingDate := PostingDate;
IF GenJnlCheckLine.DateNotAllowed(PostingDate) THEN
ERROR(DateNotAllowedErr,Caption,EntryNo)
IF PostingDate &gt; MaxPostingDate THEN
MaxPostingDate := PostingDate;
END
</code></pre>
<p>Good code</p>
<pre><code>PROCEDURE CheckPostingDate@23();
BEGIN
IF GenJnlCheckLine.DateNotAllowed(PostingDate) THEN
ERROR(DateNotAllowedErr,Caption,EntryNo);
IF PostingDate \&gt; MaxPostingDate THEN
MaxPostingDate := PostingDate;
IF GenJnlCheckLine.DateNotAllowed(PostingDate) THEN
ERROR(DateNotAllowedErr,Caption,EntryNo);
IF PostingDate &gt; MaxPostingDate THEN
MaxPostingDate := PostingDate;
END;
</code></pre>
<p>Bad code</p>
<pre><code>PROCEDURE IsReturned@14(EntryNo@1002 : Integer) : Decimal;
VAR
ItemEntry@1000 : Record 32;
Quantity@1003 : Integer;
ItemEntry@1000 : Record 32;
Quantity@1003 : Integer;
BEGIN
EXIT(-OutboundApplied(EntryNo,TRUE) - InboundApplied(EntryNo,TRUE));
EXIT(-OutboundApplied(EntryNo,TRUE) - InboundApplied(EntryNo,TRUE));
END;
</code></pre>
<p>Good code</p>
<pre><code>PROCEDURE IsReturned@14(EntryNo@1002 : Integer) : Decimal;
BEGIN
EXIT(-OutboundApplied(EntryNo,TRUE) - InboundApplied(EntryNo,TRUE));
EXIT(-OutboundApplied(EntryNo,TRUE) - InboundApplied(EntryNo,TRUE));
END;
</code></pre>
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