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Override n + iterator operator in the iterator

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HenryLee 2017-05-27 13:44:14 +10:00
parent 52adf3fd5b
commit ed62129f8e
2 changed files with 33 additions and 2 deletions
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15
src/json.hpp
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@ -8474,18 +8474,29 @@ class basic_json
@brief add to iterator
@pre The iterator is initialized; i.e. `m_object != nullptr`.
*/
iter_impl operator+(difference_type i)
iter_impl operator+(difference_type i) const
{
auto result = *this;
result += i;
return result;
}
/*!
@brief addition of distance and iterator
@pre The iterator is initialized; i.e. `m_object != nullptr`.
*/
friend iter_impl operator+(difference_type i, const iter_impl& it)
{
auto result = it;
result += i;
return result;
}
/*!
@brief subtract from iterator
@pre The iterator is initialized; i.e. `m_object != nullptr`.
*/
iter_impl operator-(difference_type i)
iter_impl operator-(difference_type i) const
{
auto result = *this;
result -= i;