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cpp:vector_overloading

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cpp:vector_overloading [2017/05/12 05:02]
gthanos 		cpp:vector_overloading [2021/05/24 07:29]
gthanos
Line 2: Line 2:
  
 Ας υποθέσουμε ότι έχουμε την παρακάτω κλάση //Vector// η οποία υλοποιεί ένα μονοδιάστατο πίνακα από ακεραίους. Ας υποθέσουμε ότι έχουμε την παρακάτω κλάση //Vector// η οποία υλοποιεί ένα μονοδιάστατο πίνακα από ακεραίους.
-<code cpp Vector.cpp>+<code cpp Vector.hpp>
 #include <iostream> #include <iostream>
 #include <cstdlib> #include <cstdlib>
Line 9: Line 9:
 class Vector { class Vector {
   int *array;   int *array;
-  unsigned int size;+  int size;
      
 public: public:
-  Vector(unsigned int length=0);+  Vector(int length=0);
   Vector(const Vector &v);   Vector(const Vector &v);
   Vector(const Vector *v);   Vector(const Vector *v);
   ~Vector();   ~Vector();
-  unsigned int length() const;// return Vector's length. +  int length() const;// return Vector's length. 
-  int &valueAt(unsigned int pos) const;  // return a reference to element at position pos+  int &valueAt(int pos) const;  // return a reference to element at position pos
   int find(int a) const;      // check if a exists in Vector. Return it position >0 or -1    int find(int a) const;      // check if a exists in Vector. Return it position >0 or -1 
                               // if not element not found                               // if not element not found
Line 23: Line 23:
   void print() const;        // print vector values to standard output   void print() const;        // print vector values to standard output
 }; };
 +</code>
  
-Vector::Vector(unsigned int length) {+<code cpp Vector.cpp> 
 +#include "Vector.hpp" 
 +Vector::Vector(int length) {
   size = length;   size = length;
   array = new (nothrow) int[size];   array = new (nothrow) int[size];
Line 61: Line 64:
 } }
  
-unsigned int Vector::length() const { +int Vector::length() const { 
   return size;    return size; 
 } }
  
-int &Vector::valueAt(unsigned int pos) const {+int &Vector::valueAt(int pos) const {
   if(pos>=length()) {   if(pos>=length()) {
      cerr << "Invalid access position!\n";      cerr << "Invalid access position!\n";
Line 89: Line 92:
   }   }
 } }
 +</code>
  
 +<code cpp VectorUsage.cpp>
 +#include "Vector.hpp"
 int main() { int main() {
   Vector v(5);   Vector v(5);
cpp/vector_overloading.txt · Last modified: 2021/05/24 06:35 (external edit)

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