cppprimer

cppprimer code

chapter 10

absInt.cc for_each transform with lambda

// pass a lambda to for_each to print each element in vi
for_each(vi.begin(), vi.end(), [](int i) { cout << i << " "; });
// replace negative values by their absolute value
transform(vi.begin(), vi.end(), vi.begin(),
          [](int i) { return i < 0 ? -i : i; });

accum.cc

use of fill fill_n accumulate
accum4.cc

use of istream_iterator
avg_price.cc

ostream_iterator<> out_iter(cout, "\n");

bind2.cc

for_each(words.begin(), words.end(),
         bind(print, ref(cout), _1, ' '));

lambad.cc
- different use of lambda
newcount-size.cc
rcomma.cc
```
rcomma.base()
```
reverse.cc

reverse reverse_copy remove_if remove_copy_if for_each find find_if
reverse-iter.cc

reverse_iterator rev_it.base()
use_find.cc

find

Chapter 11

map1.cc

map insert return pair<map<string, size_t>::iterator, bool> and could not store the same value(a pair)

multimap.cc

// definitions of authors and search_item as above
// beg and end denote the range of elements for this author
for (auto beg = authors.lower_bound(search_item),
          end = authors.upper_bound(search_item);
     beg != end; ++beg)
  cout << beg->second << endl; // print each title

// definitions of authors and search_item as above
// pos holds iterators that denote the range of elements for this key
for (auto pos = authors.equal_range(search_item);
     pos.first != pos.second; ++pos.first)
  cout << pos.first->second << endl; // print each title

unorderedWordCount.cc

unordered_*

Chapter 12

querymain.cc

// open returns void, so we use the comma operator XREF(commaOp)
// to check the state of infile after the open
if (argc < 2 || !(infile.open(argv[1]), infile)) {
}

UP.cc

// up points to an array of ten uninitialized ints
unique_ptr<int[]> up(new int[10]);

usealloc*.cc
useBlob*.cc

Chapter 14

calc.cc

function<int(int,int)>
fcnobj.cc

bind...

newcount-size.cc

// use object of type PrintString
// to print the contents of words, each one followed by a space
for_each(wc, words.end(), PrintString(cout));
// use object of type SizeComp to find
// the first element whose size() is >= sz
auto wc = find_if(words.begin(), words.end(), SizeComp(sz));

liuluheng/cppprimer

cppprimer