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Compiler Error CS1041 

Error Message

Identifier expected, 'keyword' is a keyword

A reserved word for the C# language was found where an identifier was expected. Replace the keyword with a user-specified identifier.

Example

The following sample generates CS1041:

// CS1041a.cs
class MyClass
{
    public void f(int long)   // CS1041
    // Try the following instead:
    // public void f(int i)
    {
    }

    public static void Main()
    {
    }
}

When you are importing from another programming language that does not have the same set of reserved words, you can modify the reserved identifier with the @ prefix, as demonstrated in the following sample.

An identifier with an @ prefix is called a verbatim identifier.

// CS1041b.cs
class MyClass
{
    public void f(int long)   // CS1041
    // Try the following instead:
    // public void f(int @long)
    {
    }

    public static void Main()
    {
    }
}

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