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iterator: add simple explanation of infix_iterator

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Danny Robson 2017-09-01 13:36:13 +10:00
parent acfbec871a
commit 77d5bf0cb7
1 changed files with 10 additions and 0 deletions
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10
iterator.hpp
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@ -71,6 +71,16 @@ class referencing_iterator {
namespace util { namespace util {
/////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////
/// an output iterator that inserts a delimiter between successive
/// assignments
///
/// very useful for outputting comma seperated lists to an ostream, eg:
///
/// std::copy (
/// std::cbegin (container),
/// std::cend (container),
/// util::infix_iterator<value_type> (os, ", ")
/// );
template < template <
typename T, typename T,
class CharT = char, class CharT = char,