Changeset - r94:a4688e4138ec
« 93:f85798
95:cc7e6b »
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kpeter (Peter Kovacs)
kpeter@inf.elte.hu
Fixes in the map concepts - Now Value type needn't be default constructible. - Extend the test file to check this.
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2 files changed with 22 insertions and 9 deletions:
lemon/concepts/maps.h
12
9
test/maps_test.cc
10
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lemon/concepts/maps.h
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@@ -48,8 +48,7 @@
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      /// Returns the value associated with the given key.


			




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      /// Returns the value associated with the given key.


			




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      /// \bug Value shouldn't need to be default constructible. 


			




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      Value operator[](const Key &) const { return Value(); }


			




	
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      Value operator[](const Key &) const { 


			




	
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        return *static_cast<Value *>(0);


			




	
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      }


			




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      template<typename _ReadMap>


			




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@@ -127,5 +126,7 @@


			




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      /// Returns the value associated with the given key.


			




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      Value operator[](const Key &) const { return Value(); }


			




	
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      Value operator[](const Key &) const { 


			




	
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        return *static_cast<Value *>(0);


			




	
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      }


			




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      /// Sets the value associated with the given key.


			




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@@ -161,13 +162,15 @@


			




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      typedef CR ConstReference;


			




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    protected:


			




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      Value tmp;


			




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    public:


			




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      /// Returns a reference to the value associated with the given key.


			




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      Reference operator[](const Key &) { return tmp; }


			




	
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      Reference operator[](const Key &) { 


			




	
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        return *static_cast<Value *>(0);


			




	
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      }


			




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      /// Returns a const reference to the value associated with the given key.


			




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      ConstReference operator[](const Key &) const { return tmp; }


			




	
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      ConstReference operator[](const Key &) const {


			




	
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        return *static_cast<Value *>(0);


			




	
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      }


			




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      /// Sets the value associated with the given key.

			




        

    

    

    

        

            

                

                    test/maps_test.cc
                

                

                  
                  
                  
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@@ -33,4 +33,10 @@


			




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struct B {};


			




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class C {


			




	
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  int x;


			




	
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public:


			




	
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  C(int _x) : x(_x) {}


			




	
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};


			




	
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class F {


			




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public:


			




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@@ -59,7 +65,11 @@


			




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  // Map concepts


			




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  checkConcept<ReadMap<A,B>, ReadMap<A,B> >();


			




	
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  checkConcept<ReadMap<A,C>, ReadMap<A,C> >();


			




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  checkConcept<WriteMap<A,B>, WriteMap<A,B> >();


			




	
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  checkConcept<WriteMap<A,C>, WriteMap<A,C> >();


			




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  checkConcept<ReadWriteMap<A,B>, ReadWriteMap<A,B> >();


			




	
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  checkConcept<ReadWriteMap<A,C>, ReadWriteMap<A,C> >();


			




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  checkConcept<ReferenceMap<A,B,B&,const B&>, ReferenceMap<A,B,B&,const B&> >();


			




	
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  checkConcept<ReferenceMap<A,C,C&,const C&>, ReferenceMap<A,C,C&,const C&> >();


			




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  // NullMap


			




        

    






    
    



    


    

     
    
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