Resolve "extension of particle properties to include particle lifetimes"

Closes #67 (closed)

Framework/Particles/ParticleProperties.h

@@ -26,6 +26,7 @@
 #include <corsika/units/PhysicalConstants.h>
 #include <corsika/units/PhysicalUnits.h>
 
+
 /**
  * @namespace particle
  *
@@ -36,6 +37,8 @@
 
 namespace corsika::particles {
 
+  using corsika::units::si::second;
+
   enum class Code : int16_t;
 
   using PDGCodeType = int16_t;
@@ -47,6 +50,7 @@ namespace corsika::particles {
   corsika::units::si::MassType constexpr GetMass(Code const);
   PDGCodeType constexpr GetPDG(Code const);
   constexpr std::string const& GetName(Code const);
+  corsika::units::si::TimeType constexpr GetLifetime(Code const);
 
 #include <corsika/particles/GeneratedParticleProperties.inc>
 
@@ -76,6 +80,10 @@ namespace corsika::particles {
     return names[static_cast<CodeIntType const>(p)];
   }
 
+  corsika::units::si::TimeType constexpr GetLifetime(Code const p) {
+    return lifetime[static_cast<CodeIntType const>(p)];
+  }
+
   namespace io {
 
     std::ostream& operator<<(std::ostream& stream, Code const p);