First pass conversion of NAV Patterns

content/NAVPatterns/begin-end/index.md

@@ -0,0 +1,54 @@
++++
+title = "begin-end.md"
+weight = 240
++++
+Only use BEGIN..END to enclose compound statements.
+Bad code
+
+    IF FINDSET THEN BEGIN
+    REPEAT
+    ...
+    UNTIL NEXT = 0;
+    END;
+
+Good code
+
+    IF FINDSET THEN
+    REPEAT
+    ...
+    UNTIL NEXT = 0;
+
+Bad code
+
+    IF IsAssemblyOutputLine THEN BEGIN
+    TESTFIELD("Order Line No.",0);
+    END;
+
+Good code
+
+    IF IsAssemblyOutputLine THEN
+    TESTFIELD("Order Line No.",0);
+
+Bad code
+
+    IF FINDSET THEN
+    REPEAT
+    BEGIN
+    ...
+    END;
+    UNTIL NEXT = 0;
+
+Good code
+
+    IF FINDSET THEN
+    REPEAT
+    ...
+    UNTIL NEXT = 0;
+
+Exception
+
+    // Except for this case
+    IF X THEN BEGIN
+    IF Y THEN 
+    DO SOMETHING;
+    END ELSE (not X)