Method isMember

Sources/Dependencies/jsoncpp/value.cpp:1392–1395

	}

	bool Value::isMember(char const* begin, char const* end) const {
		Value const* value = find(begin, end);
		return nullptr != value;
	}
#ifdef JSONCPP_HAS_STRING_VIEW
	bool Value::isMember(std::string_view key) const {
		return isMember(key.data(), key.data() + key.length());