number_void Class Reference

#include <number_impl.hpp>

Inheritance diagram for number_void:

number_impl

List of all members.

Public Member Functions

 number_void ()

Private Member Functions

virtual std::string do_to_string () const
virtual void do_save (std::ostream &stream) const
virtual bool do_equals (number_impl const &rhs) const
virtual bool do_less (number_impl const &rhs) const
virtual number_impl * do_add (number_impl const &rhs)
virtual number_impl * do_subtract (number_impl const &rhs)
virtual number_impl * do_multiply (number_impl const &rhs)
virtual number_impl * do_divide (number_impl const &rhs)
virtual number_impl * do_promote (number_impl &rhs) const

Detailed Description

Represent a number without a type. A void number cannot be converted into any other type, but any type can be converted to void.

Definition at line 77 of file number_impl.hpp.

Constructor & Destructor Documentation

number_void::number_void (  )  [inline]

Definition at line 79 of file number_impl.hpp.

00079 : number_impl() {}

Member Function Documentation

std::string number_void::do_to_string (  )  const [private, virtual]

Implements number_impl.

Definition at line 135 of file number_impl.cpp.

00137 {
00138   return std::string();
00139 }

void number_void::do_save ( std::ostream &  stream  )  const [private, virtual]

Implements number_impl.

Definition at line 141 of file number_impl.cpp.

00143 {
00144   stream << "void ";
00145 }

bool number_void::do_equals ( number_impl const &  rhs  )  const [private, virtual]

Implements number_impl.

Definition at line 148 of file number_impl.cpp.

00150 {
00151   return false;
00152 }

bool number_void::do_less ( number_impl const &  rhs  )  const [private, virtual]

Implements number_impl.

Definition at line 155 of file number_impl.cpp.

00157 {
00158   return false;
00159 }

number_impl * number_void::do_add ( number_impl const &  rhs  )  [private, virtual]

Implements number_impl.

Definition at line 162 of file number_impl.cpp.

References number_impl::add_ref().

00163 {
00164   add_ref();
00165   return this;
00166 }

number_impl * number_void::do_subtract ( number_impl const &  rhs  )  [private, virtual]

Implements number_impl.

Definition at line 168 of file number_impl.cpp.

References number_impl::add_ref().

00169 {
00170   add_ref();
00171   return this;
00172 }

number_impl * number_void::do_multiply ( number_impl const &  rhs  )  [private, virtual]

Implements number_impl.

Definition at line 174 of file number_impl.cpp.

References number_impl::add_ref().

00175 {
00176   add_ref();
00177   return this;
00178 }

number_impl * number_void::do_divide ( number_impl const &  rhs  )  [private, virtual]

Implements number_impl.

Definition at line 180 of file number_impl.cpp.

References number_impl::add_ref().

00181 {
00182   add_ref();
00183   return this;
00184 }

number_impl * number_void::do_promote ( number_impl &  rhs  )  const [private, virtual]

Implements number_impl.

Definition at line 186 of file number_impl.cpp.

References number_impl::promote_to_void().

00188 {
00189   return rhs.promote_to_void();
00190 }

The documentation for this class was generated from the following files:
Generated on Sun Nov 30 10:06:54 2008 for Calculator by  doxygen 1.5.3