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Compiler Error CS1575

A stackalloc expression requires [] after type

The size of the requested allocation, with stackalloc, must be specified in square brackets.

The following sample generates CS1575:

// CS1575.cs
// compile with: /unsafe
public class MyClass
{
   unsafe public static void Main()
   {
      int *p = stackalloc int (30);   // CS1575
      // try the following line instead
      // int *p = stackalloc int [30];
   }
}

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