SystemEx.Triple Struct Reference

Represents a three-valued logic value. More...

Inheritance diagram for SystemEx.Triple:

Collaboration diagram for SystemEx.Triple:

Public Member Functions
override int	GetHashCode ()
	Gets the hash code for the current instance.
override string	ToString ()
	Returns a string that represents the current instance.
	Triple ()
	Initializes a new instance of the Triple struct.
	Triple (bool v)
	Initializes a new instance of the Triple struct.
	Triple (triple v)
	Initializes a new instance of the Triple struct.
override bool	Equals ([NotNullWhen(true)] object? obj)
	Determines whether the current instance and a specified object are equal.
bool	Equals (bool obj)
	Determines whether the current instance and a specified boolean value are equal.
bool	ToBoolean ()
	Returns the boolean value of the current instance.
bool	Equals (triple obj)
	Determines whether the current instance and a specified triple value are equal.

Static Public Member Functions
static bool	operator== (Triple left, Triple right)
	Determines whether two instances of the Triple struct are equal.
static bool	operator== (Triple left, bool right)
	Determines whether an instance of the Triple struct and a boolean value are equal.
static bool	operator== (bool left, Triple right)
	Determines whether a boolean value and an instance of the Triple struct are equal.
static bool	operator!= (Triple left, Triple right)
	Determines whether two instances of the Triple struct are not equal.
static bool	operator!= (Triple left, bool right)
	Determines whether an instance of the Triple struct and a boolean value are not equal.
static bool	operator!= (bool left, Triple right)
	Determines whether a boolean value and an instance of the Triple struct are not equal.

Static Public Attributes
static readonly string	TrueString = "True"
	Gets the string representation for the true value.
static readonly string	FalseString = "False"
	Gets the string representation for the false value.
static readonly string	NinString = "Nin"
	Gets the string representation for the neither true nor false value.

Detailed Description

Represents a three-valued logic value.

Constructor & Destructor Documentation

Triple() [1/3]

SystemEx.Triple.Triple

(

)

Initializes a new instance of the Triple struct.

                        {
            m_value = triple.Nin;
        }

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Triple() [2/3]

SystemEx.Triple.Triple

(

bool

v

)

Initializes a new instance of the Triple struct.

Parameters

v	The boolean value to initialize with.

                              {
            m_value = v ? triple.True : triple.False;
        }

Triple() [3/3]

SystemEx.Triple.Triple

(

triple

v

)

Initializes a new instance of the Triple struct.

Parameters

v	The triple value to initialize with.

                                   {
            m_value = v;
        }

Member Function Documentation

Equals() [1/3]

override bool SystemEx.Triple.Equals

(

[NotNullWhen(true)] object?

obj

)

Determines whether the current instance and a specified object are equal.

Parameters

obj	The object to compare with the current instance.

Returns

true if the current instance and obj are equal; otherwise, false.

                                                                        {
            bool _ret = false;
 
            if( (obj is Boolean) )       _ret = ((Boolean)obj == this.ToBoolean());
            else if ( (obj is Triple) )  _ret = m_value == ((Triple)obj).m_value;
 
            return _ret;
        }

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Equals() [2/3]

bool SystemEx.Triple.Equals

(

bool

obj

)

Determines whether the current instance and a specified boolean value are equal.

Parameters

obj	The boolean value to compare with the current instance.

Returns

true if the current instance and obj are equal; otherwise, false.

                                        {
            return ToBoolean() == obj;
        }

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Equals() [3/3]

bool SystemEx.Triple.Equals

(

triple

obj

)

Determines whether the current instance and a specified triple value are equal.

Parameters

obj	The triple value to compare with the current instance.

Returns

true if the current instance and obj are equal; otherwise, false.

                                          {
            return m_value == obj;
        }

GetHashCode()

override int SystemEx.Triple.GetHashCode

(

)

Gets the hash code for the current instance.

Returns

The hash code.

                                           {
            if ( m_value == True ) return 1;
            if ( m_value == False ) return 0;
            return -1;
        }

operator!=() [1/3]

bool SystemEx.Triple.operator!= ( bool left, Triple right )

static

Determines whether a boolean value and an instance of the Triple struct are not equal.

Parameters

left	The boolean value to compare.
right	The instance of the Triple struct to compare with the boolean value.

Returns

true if the boolean value and the instance are not equal; otherwise, false.

                                                                 {
            return !(right.Equals(left));
        }

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operator!=() [2/3]

bool SystemEx.Triple.operator!= ( Triple left, bool right )

static

Determines whether an instance of the Triple struct and a boolean value are not equal.

Parameters

left	The instance of the Triple struct to compare.
right	The boolean value to compare with the instance.

Returns

true if the instance and the boolean value are not equal; otherwise, false.

                                                                 {
            return !(left.Equals(right));
        }

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operator!=() [3/3]

bool SystemEx.Triple.operator!= ( Triple left, Triple right )

static

Determines whether two instances of the Triple struct are not equal.

Parameters

left	The first instance to compare.
right	The second instance to compare.

Returns

true if the instances are not equal; otherwise, false.

                                                                   {
            return !(left.Equals(right));
        }

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operator==() [1/3]

bool SystemEx.Triple.operator== ( bool left, Triple right )

static

Determines whether a boolean value and an instance of the Triple struct are equal.

Parameters

left	The boolean value to compare.
right	The instance of the Triple struct to compare with the boolean value.

Returns

true if the boolean value and the instance are equal; otherwise, false.

                                                                 {
            return right.Equals(left);
        }

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operator==() [2/3]

bool SystemEx.Triple.operator== ( Triple left, bool right )

static

Determines whether an instance of the Triple struct and a boolean value are equal.

Parameters

left	The instance of the Triple struct to compare.
right	The boolean value to compare with the instance.

Returns

true if the instance and the boolean value are equal; otherwise, false.

                                                                 {
            return left.Equals(right);
        }

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operator==() [3/3]

bool SystemEx.Triple.operator== ( Triple left, Triple right )

static

Determines whether two instances of the Triple struct are equal.

Parameters

left	The first instance to compare.
right	The second instance to compare.

Returns

true if the instances are equal; otherwise, false.

                                                                   {
            return left.Equals(right);
        }

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ToBoolean()

bool SystemEx.Triple.ToBoolean

(

)

Returns the boolean value of the current instance.

Returns

The boolean value of the current instance.

                                 {
            return m_value == triple.True;
        }

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ToString()

override string SystemEx.Triple.ToString

(

)

Returns a string that represents the current instance.

Returns

A string that represents the current instance.

                                           {
            string _ret = NinString;
 
            if ( m_value == triple.False) {
                _ret = FalseString;
            } else if ( m_value == triple.True )
                _ret = TrueString;
 
            return _ret;
        }

Member Data Documentation

FalseString

readonly string SystemEx.Triple.FalseString = "False"

static

Gets the string representation for the false value.

NinString

readonly string SystemEx.Triple.NinString = "Nin"

static

Gets the string representation for the neither true nor false value.

TrueString

readonly string SystemEx.Triple.TrueString = "True"

static

Gets the string representation for the true value.

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The documentation for this struct was generated from the following file:

• Base/Triple.cs