View source for 1000 Steps Program: Chapter 15 - Code Snippets

=== Step 465 ===
 --  ABC123 
 let sing=SysSingleton.oclSingleton in (
   let letter1=sing.RegNumberLetter1Current+1 in
   (
     sing.RegNumberLetter1Current:=(letter1>Char.ConvertToUtf32('Z',0))->casetruefalse(sing.RegNumberLetter2Current:=sing.RegNumberLetter2Current+1; Char.ConvertToUtf32('A',0),letter1)
   );
   let letter2=sing.RegNumberLetter2Current in
   (
     sing.RegNumberLetter2Current:=(letter2>Char.ConvertToUtf32('Z',0))->casetruefalse(sing.RegNumberLetter3Current:=sing.RegNumberLetter3Current+1; Char.ConvertToUtf32('A',0),letter2)
   );
   let letter3=sing.RegNumberLetter3Current in
   (
     sing.RegNumberLetter3Current:=(letter3>Char.ConvertToUtf32('Z',0))->casetruefalse(Char.ConvertToUtf32('A',0),letter3)
   );
   let numberpart=sing.RegNumberNumberPartCurrent+1 in
   (
     sing.RegNumberNumberPartCurrent:=(numberpart>999)->casetruefalse(0,numberpart)
   );
 Char.ConvertFromUtf32(sing.RegNumberLetter1Current)+Char.ConvertFromUtf32(sing.RegNumberLetter2Current)+Char.ConvertFromUtf32(sing.RegNumberLetter3Current)+sing.RegNumberNumberPartCurrent.ToString('000')
 
 )
[[Category:Bootcamp]]