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Code Issues Releases Wiki Activity

ircd::json: Add tuple ctor from json::object with keys selection.

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This commit is contained in:
Jason Volk 2019-01-16 14:49:07 -08:00
parent 0cb79728f9
commit 4dc1e2d7fc
1 changed files with 14 additions and 1 deletions
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15
include/ircd/json/tuple/tuple.h
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@ -56,7 +56,6 @@ struct tuple
{
using tuple_type = std::tuple<T...>;
using super_type = tuple<T...>;
using keys = json::keys<super_type>;
static constexpr size_t size();
@ -64,6 +63,7 @@ struct tuple
operator crh::sha256::buf() const;
template<class... U> tuple(const tuple<U...> &);
template<class U> tuple(const json::object &, const json::keys<U> &);
tuple(const json::object &);
tuple(const json::iov &);
tuple(const std::initializer_list<member> &);
@ -165,6 +165,19 @@ key_exists(const string_view &key)
namespace ircd {
namespace json {
template<class... T>
template<class U>
tuple<T...>::tuple(const json::object &object,
const json::keys<U> &keys)
{
std::for_each(std::begin(object), std::end(object), [this, &keys]
(const auto &member)
{
if(keys.has(member.first))
set(*this, member.first, member.second);
});
}
template<class... T>
tuple<T...>::tuple(const json::object &object)
{