49 lines
1.1 KiB
Markdown
49 lines
1.1 KiB
Markdown
+++
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title = "Initialized Variables"
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weight = 660
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+++
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Variables should always be set to a specific value, before they are used.
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Bad code
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PROCEDURE SetPurchLine@22(VAR CurrentPurchLine@1000 : Record 39);
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VAR
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Pegging@1001 : Boolean;
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BEGIN
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IF Pegging THEN
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CurrQuantity := CurrentPurchLine."Quantity (Base)"
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ELSE
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CurrQuantity := CurrentPurchLine."Outstanding Qty. (Base)";
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END;
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Good code
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PROCEDURE SetPurchLine@22(VAR CurrentPurchLine@1000 : Record 39);
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VAR
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Pegging@1001 : Boolean;
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BEGIN
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Pegging := IsPegging(CurrentPurchLine);
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IF Pegging THEN
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CurrQuantity := CurrentPurchLine."Quantity (Base)"
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ELSE
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CurrQuantity := CurrentPurchLine."Outstanding Qty. (Base)";
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END;
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Bad code
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// In the example below, the function will always return FALSE.
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PROCEDURE GetItemsToPlan@22() : Boolean;
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BEGIN
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SETRANGE("Document Type","Document Type"::Order);
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...
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FINDSET
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END;
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Good code
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PROCEDURE GetItemsToPlan@22() : Boolean;
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BEGIN
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SETRANGE("Document Type","Document Type"::Order);
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...
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EXIT(FINDSET)
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END;
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