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Compiler Warning (level 4) CS0078

The 'l' suffix is easily confused with the digit '1' -- use 'L' for clarity

The compiler warns when it detects a cast to long using a lowercase l instead of an uppercase L.

The following sample generates CS0078:

// CS0078.cs
// compile with: /W:4
class test {
   public static void TestL(long i)

   public static void TestL(int i)

   public static void Main()
      TestL(25l);   // CS0078
      // try the following line instead
      // TestL(25L);
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