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Override n + iterator operator in the iterator

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HenryLee 2017-05-27 01:56:20 +10:00
parent c4e399ce0a
commit f0cc4ef72b
1 changed files with 13 additions and 2 deletions
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15
src/json.hpp
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@ -9317,18 +9317,29 @@ class basic_json
@brief add to iterator @brief add to iterator
@pre The iterator is initialized; i.e. `m_object != nullptr`. @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; auto result = *this;
result += i; result += i;
return result; 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 @brief subtract from iterator
@pre The iterator is initialized; i.e. `m_object != nullptr`. @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; auto result = *this;
result -= i; result -= i;