diff options
Diffstat (limited to 'include/erebos/storage.h')
| -rw-r--r-- | include/erebos/storage.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/include/erebos/storage.h b/include/erebos/storage.h index d5ae45a..d46c056 100644 --- a/include/erebos/storage.h +++ b/include/erebos/storage.h @@ -72,6 +72,7 @@ public: PartialStorage derivePartialStorage() const; std::optional<Ref> ref(const Digest &) const; + Ref zref() const; std::optional<Object> loadObject(const Digest &) const; Ref storeObject(const Object &) const; @@ -103,6 +104,7 @@ public: explicit Digest(std::array<uint8_t, size> value): value(value) {} explicit Digest(const std::string &); explicit operator std::string() const; + bool isZero() const; const std::array<uint8_t, size> & arr() const { return value; } @@ -151,6 +153,7 @@ public: Ref & operator=(Ref &&) = default; static std::optional<Ref> create(Storage, const Digest &); + static Ref zcreate(Storage); constexpr operator bool() const { return true; } const Object operator*() const; @@ -265,7 +268,8 @@ class ObjectT public: typedef std::variant< RecordT<S>, - Blob> Variants; + Blob, + std::monostate> Variants; ObjectT(const ObjectT<S> &) = default; ObjectT(Variants content): content(content) {} @@ -282,7 +286,7 @@ public: std::vector<uint8_t>::const_iterator); static std::vector<ObjectT<S>> decodeMany(const S &, const std::vector<uint8_t> &); std::vector<uint8_t> encode() const; - static std::optional<ObjectT<S>> load(const typename S::Ref &); + static ObjectT<S> load(const typename S::Ref &); std::optional<RecordT<S>> asRecord() const; std::optional<Blob> asBlob() const; @@ -317,7 +321,7 @@ public: Stored & operator=(const Stored &) = default; Stored & operator=(Stored &&) = default; - static std::optional<Stored<T>> load(const Ref &); + static Stored<T> load(const Ref &); Ref store(const Storage &) const; bool operator==(const Stored<T> & other) const @@ -354,11 +358,9 @@ Stored<T> Storage::store(const T & val) const } template<typename T> -std::optional<Stored<T>> Stored<T>::load(const Ref & ref) +Stored<T> Stored<T>::load(const Ref & ref) { - if (auto val = T::load(ref)) - return Stored(ref, std::make_shared<T>(val.value())); - return std::nullopt; + return Stored(ref, std::make_shared<T>(T::load(ref))); } template<typename T> |