ex10_25.cpp

//
//  ex10_25.cpp
//  Exercise 10.25
//
//  Created by pezy on 12/11/14.
//  Copyright (c) 2014 pezy. All rights reserved.
//
//  @Brief  In the exercises for 10.3.2 (p.392) you wrote a version of biggies
//  that uses partition.
//          Rewrite that function to use check_size and bind.

#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <functional>

using std::string;
using std::vector;
using namespace std::placeholders;

void elimdups(vector<string>& vs)
{
    std::sort(vs.begin(), vs.end());
    vs.erase(unique(vs.begin(), vs.end()), vs.end());
}

bool check_size(const string& s, string::size_type sz)
{
    return s.size() >= sz;
}

void biggies(vector<string>& words, vector<string>::size_type sz)
{
    elimdups(words);
    auto iter = std::stable_partition(words.begin(), words.end(),
                                      bind(check_size, _1, sz));
    for_each(words.begin(), iter,
             [](const string& s) { std::cout << s << " "; });
}

int main()
{
    std::vector<std::string> v{"the",  "quick", "red",  "fox", "jumps",
                               "over", "the",   "slow", "red", "turtle"};
    biggies(v, 4);
}

//  @Out
//  jumps over quick slow turtle