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added erase function for arrays

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Niels
2015-04-09 18:55:57 +02:00
parent 9ea3dd9b60
commit 84195daf28
3 changed files with 121 additions and 2 deletions
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19
src/json.hpp
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@ -1190,7 +1190,7 @@ class basic_json
/// remove element from an object given a key
inline size_type erase(const typename object_t::key_type& key)
{
// at only works for objects
// this erase only works for objects
if (m_type != value_t::object)
{
throw std::runtime_error("cannot use erase with " + type_name());
@ -1199,6 +1199,23 @@ class basic_json
return m_value.object->erase(key);
}
/// remove element from an array given an index
inline void erase(const size_type pos)
{
// this erase only works for arrays
if (m_type != value_t::array)
{
throw std::runtime_error("cannot use erase with " + type_name());
}
if (pos >= size())
{
throw std::out_of_range("index out of range");
}
m_value.array->erase(m_value.array->begin() + static_cast<difference_type>(pos));
}
/// find an element in an object
inline iterator find(typename object_t::key_type key)
{