ECMA-334: 12.1 Variable categories

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12.1 Variable categories

C# defines seven categories of variables: static variables, instance variables, array elements, value parameters, reference parameters, output parameters, and local variables. The subclauses that follow describe each of these categories.

[Example: In the following code

class A
{
  public static int x;
  int y;
  void F(int[] v, int a, ref int b, out int c)
  {
    int i = 1;
    c = a + b++;
  }
}

x is a static variable, y is an instance variable, v[0] is an array element, a is a value parameter, b is a reference parameter, c is an output parameter, and i is a local variable. end example]