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Re: enum type in template declaration

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在 2019年12月6日星期五 UTC+8上午6:21:05，Soviet_Mario写道：
> since what version of standard, if any, an ENUM type can be 
> an argument of a template ?
> 
> sth like
> 
> enum class RestrictedValues { A = 1, B = 2, C = 4, D = 8 };
> 
> 
> template <RestrictedValues ttVal> class SizedField
> {
  public:
 static constexpr int aSize = static_cast<int>(ttVal);
> private:

> unsigned char zzArray [aSize];
> 
> 
> public:
> 
> etc etc
> 
> }
> 
> 
> or if the syntax is wrong, how to workaround ?
> 
> The goal is to have a template depending on a restricted 
> well defined, and known at compile time, set of integral values
> 
> 
> 
> enum RestrictedValues { A = 1, B = 2, C = 4, D = 8 };


template <RestrictedValues ttVal> class SizedField
{
private:
unsigned char zzArray [ttVal];


public:

etc etc

} 
> 
> 
> 
> -- 
> 1) Resistere, resistere, resistere.
> 2) Se tutti pagano le tasse, le tasse le pagano tutti
> Soviet_Mario - (aka Gatto_Vizzato)


If my modification fits your requirement?

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enum type in template declaration Soviet_Mario <SovietMario@CCCP.MIR> - 2019-12-05 23:20 +0100
  Re: enum type in template declaration James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-12-05 22:39 -0500
    Re: enum type in template declaration Soviet_Mario <SovietMario@CCCP.MIR> - 2019-12-06 13:15 +0100
      Re: enum type in template declaration Paavo Helde <myfirstname@osa.pri.ee> - 2019-12-06 14:42 +0200
        Re: enum type in template declaration Soviet_Mario <SovietMario@CCCP.MIR> - 2019-12-06 17:20 +0100
          Re: enum type in template declaration Paavo Helde <myfirstname@osa.pri.ee> - 2019-12-06 20:29 +0200
            Re: enum type in template declaration Soviet_Mario <SovietMario@CCCP.MIR> - 2019-12-06 22:42 +0100
              Re: enum type in template declaration Paavo Helde <myfirstname@osa.pri.ee> - 2019-12-07 00:51 +0200
                Re: enum type in template declaration Soviet_Mario <SovietMario@CCCP.MIR> - 2019-12-07 18:54 +0100
      Re: enum type in template declaration Öö Tiib <ootiib@hot.ee> - 2019-12-06 06:00 -0800
      Re: enum type in template declaration James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-12-06 09:56 -0500
      Re: enum type in template declaration Manfred <noname@add.invalid> - 2019-12-06 15:56 +0100
  Re: enum type in template declaration Soviet_Mario <SovietMario@CCCP.MIR> - 2019-12-06 18:43 +0100
  Re: enum type in template declaration saturnman2008@gmail.com - 2019-12-07 01:53 -0800
    Re: enum type in template declaration Soviet_Mario <SovietMario@CCCP.MIR> - 2019-12-07 18:57 +0100

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