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Reserved Words

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The following words are reserved for use by the HLSL language. Do not use them to name variables or functions in your HLSL code.

auto case, catch char, class, const_cast default, delete, dynamic_cast enum explicit friend goto long mutable new operator private, protected, public reinterpret_cast short, signed, sizeof, static_cast template, this, throw try, typename union, unsigned using virtual

Appendix (DirectX HLSL)