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// Demonstrating the STL vector erase function.

#include <iostream.h>

#include <vector.h>

#include <algo.h>

#include <assert.h>

vector<char> vec(char* s)

// Return vector<char> containing the characters of s

// (not including the terminating null).

{

vector<char> x;

while (*s != '\0')

x.push_back(*s++);

return x;

}

int main()

{

cout << "Demonstrating STL vector erase function." << endl;

vector<char> vector1 = vec("remembering");

vector<char>::iterator j;

j = find(vector1.begin(), vector1.end(), 'm');

// j now points to the first 'm'

assert(*j == 'm' && *(j+1) == 'e');

vector1.erase(j--);

assert(vector1 == vec("reembering"));

// j now points to the first 'e'

assert(*j == 'e' && *(j+1) == 'e');

vector1.erase(j--);

assert(vector1 == vec("rembering"));

assert(*j == 'r');

// Erase first 3 characters:

vector1.erase(j, j + 3);

assert(vector1 == vec("bering"));

vector1.erase(vector1.begin() + 1);

assert(vector1 == vec("bring"));

}