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diff enigma/machine.h @ 11:da231533c5c7

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To support hill climbing and fewer enigma machine constructor calls, the enigma machine now uses shared_ptr instead of unique_ptr.
author Brian Neal <bgneal@gmail.com>
date Fri, 29 Jun 2012 23:20:33 -0500
parents b90a41f0cd94
children 424111a36ed7
line wrap: on
line diff
--- a/enigma/machine.h	Fri Jun 29 21:26:24 2012 -0500
+++ b/enigma/machine.h	Fri Jun 29 23:20:33 2012 -0500
@@ -16,7 +16,7 @@
 
 namespace enigma
 {
-   typedef std::vector<std::unique_ptr<rotor>> rotor_vector;
+   typedef std::vector<std::shared_ptr<rotor>> rotor_vector;
 
    class enigma_machine_error : public enigma_error
    {
@@ -30,13 +30,13 @@
    {
    public:
       // construct an Enigma machine from component parts:
-      enigma_machine(rotor_vector rv,
-                     std::unique_ptr<rotor> reflector,
+      enigma_machine(const rotor_vector& rv,
+                     std::shared_ptr<rotor> reflector,
                      const plugboard& pb);
 
       // construct an Enigma machine with a default plugboard (no cables connected):
-      enigma_machine(rotor_vector rv,
-                     std::unique_ptr<rotor> reflector);
+      enigma_machine(const rotor_vector& rv,
+                     std::shared_ptr<rotor> reflector);
 
       // key-sheet style constructors:
       enigma_machine(const std::vector<std::string>& rotor_types,
@@ -134,7 +134,7 @@
 
    private:
       rotor_vector rotors;
-      std::unique_ptr<rotor> reflector;
+      std::shared_ptr<rotor> reflector;
       plugboard pb;
       rotor* r_rotor;      // rightmost rotor
       rotor* m_rotor;      // 2nd to right rotor