remove element from a JSON object given a key

Synopsis

Declared in <nlohmann/json.hpp>

template<class KeyType>
requires detail::is_usable_as_basic_json_key_type<basic_json_t, KeyType>::value
size_type
erase(KeyType&& key);

Return Value

number of elements removed (0 or 1)

Parameters

Name

Description

key

key of the element to remove

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