For explicit templates:

 

explicit template <typename T, typename U, typename ...V>

T Func ()

 

For selective explicit templates

 

Template <explicit typename T, typenname U, typename ...V>

T Func ()

 

For explicit constructors:

 

template <typename T>

explicit T Class<T>::Class (T var)

 

From: Jason McKesson via Std-Proposals
Sent: 01 May 2022 21:51
To: std-proposals@lists.isocpp.org
Cc: Jason McKesson
Subject: Re: [std-proposals] Explicit keyword for template parameters

 

On Sun, May 1, 2022 at 5:06 AM Jens Maurer via Std-Proposals
<std-proposals@lists.isocpp.org> wrote:
>
> On 01/05/2022 09.46, Abdullah Qasim via Std-Proposals wrote:
> > How about:
> >
> >
> >
> > explicit template <typename T, typename U, typename ...V>
> >
> > T Func(U u, V... v)
> >
> >
> >
> > ??
>
> If "Func" is a constructor, how do you differentiate between
> the current meaning of "explicit" on a constructor and the
> new meaning?

Equally importantly, how do you differentiate between some parameters
which should be deduced and some that shouldn't?
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