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Simplify AutoRAII.

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MCE permits us to discard the move operations that used to give
us the ability to construct these and return them from functions.
This commit is contained in:
ADAM David Alan Martin
2023-10-25 22:37:28 -04:00
parent ae5151c913
commit f54ef61e6d
1 changed files with 12 additions and 37 deletions
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49
AutoRAII.h
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@ -34,49 +34,24 @@ namespace Alepha::Hydrogen
dtor( value ); dtor( value );
} }
template
<
typename AutoRAII_= AutoRAII,
typename= std::enable_if_t< std::is_same_v< AutoRAII_, AutoRAII > >,
typename= std::enable_if_t< std::is_function_v< decltype( AutoRAII_::dtor ) > >
>
AutoRAII( AutoRAII &&move )
: value()
{
std::swap( move.dtor, this->dtor );
std::swap( move.value, this->value );
}
template< typename Ctor > template< typename Ctor >
explicit AutoRAII( Ctor ctor, Dtor dtor ) : dtor( std::move( dtor ) ), value( ctor() ) {} explicit AutoRAII( Ctor ctor, Dtor dtor ) : dtor( std::move( dtor ) ), value( ctor() ) {}
template
<
typename AutoRAII_= AutoRAII,
typename= std::enable_if_t< std::is_same_v< AutoRAII_, AutoRAII > >,
typename= std::enable_if_t< std::is_function_v< decltype( AutoRAII_::dtor ) > >
>
AutoRAII &operator= ( AutoRAII_ &&move )
{
std::swap( move.dtor, this->dtor );
std::swap( move.value, this->value );
}
operator const T &() const { return value; } operator const T &() const { return value; }
template decltype( auto )
< operator *() const
typename T_= T, requires( std::is_pointer_v< T > )
typename= std::enable_if_t< std::is_pointer_v< T_ > > {
> return *value;
decltype( auto ) operator *() const { return *value; } }
template decltype( auto )
< operator->() const
typename T_= T, requires( std::is_pointer_v< T > )
typename= std::enable_if_t< std::is_pointer_v< T_ > > {
> return value;
decltype( auto ) operator->() const { return value; } }
}; };
template< typename Dtor > template< typename Dtor >