.. _program_listing_file_src_LouLib_Units_Substance.hpp:

Program Listing for File Substance.hpp
======================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_LouLib_Units_Substance.hpp>` (``src/LouLib/Units/Substance.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   
   #ifndef LOULIB_SUBSTANCE_HPP
   #define LOULIB_SUBSTANCE_HPP
   
   #include "BaseUnit.hpp"
   #include "UnitMath.hpp"
   
   namespace LouLib {
       namespace Units {
           DEFINE_NEW_UNIT(0, 0, 0, 0, 0, 1, 0, 0, Substance);
   
           //base unit
           constexpr Substance MOLE(1.0);
   
           inline namespace literals{
               #define CREATE_SUBSTANCE_STRING_LITERAL(literal, unit)             \
               constexpr Substance operator"" literal(long double x){             \
                   return static_cast<double>(x)*unit;                         \
               }                                                               \
               constexpr Substance operator"" literal(unsigned long long int x){  \
                   return static_cast<double>(x)*unit;                         \
               }
   
               CREATE_SUBSTANCE_STRING_LITERAL(_mol, MOLE);
           }
       }
   }
   
   #endif //LOULIB_SUBSTANCE_HPP