bool.H

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/*---------------------------------------------------------------------------*\
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License
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Primitive
    bool

Description
    System bool

SourceFiles
    bool.C

\*---------------------------------------------------------------------------*/

#ifndef bool_H
#define bool_H

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

// Forward Declarations
class Istream;
class Ostream;

// IOstream Operators

//- Read bool from stream using Foam::Switch(Istream&)
Istream& operator>>(Istream& is, bool& b);

//- Write bool to a stream as an label (integer) value
Ostream& operator<<(Ostream& os, const bool b);

//- Read bool from stream using Foam::Switch(Istream&)
bool readBool(Istream& is);

} // End namespace Foam


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#include "pTraits.H"
#include "direction.H"

namespace Foam
{

// Template specialisation for pTraits<bool>
template<>
class pTraits<bool>
{
    bool p_;

public:

    // Typedefs

        //- Component type
        typedef bool cmptType;

        //- Magnitude type
        typedef bool magType;


    // Member Constants

        //- Dimensionality of space
        static constexpr direction dim = 3;

        //- Rank of bool is 0
        static constexpr direction rank = 0;

        //- Number of components in bool is 1
        static constexpr direction nComponents = 1;


    // Static Data Members

        static const char* const typeName;
        static const char* const componentNames[];
        static const bool zero;
        static const bool one;


    // Constructors

        //- Copy construct from primitive
        explicit pTraits(bool val) noexcept
        :
            p_(val)
        {}

        //- Read construct from Istream
        explicit pTraits(Istream& is);


    // Member Functions

        //- Return the value
        operator bool() const noexcept
        {
            return p_;
        }

        //- Access the value
        operator bool&() noexcept
        {
            return p_;
        }
};


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //