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| author | Stanislaw Halik <sthalik@misaki.pl> | 2022-11-18 12:04:26 +0100 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2022-11-18 12:30:17 +0100 |
| commit | 50d4d02508767ed3cb67bf1ed424c61c23e44117 (patch) | |
| tree | 62e2cb6c4277877cfe68c01d36fb679e69d2403d /entity/accessor.hpp | |
| parent | 44b40de7fc70fe81757a0288422de1953a2f98cb (diff) | |
entity: add read-only property support
Diffstat (limited to 'entity/accessor.hpp')
| -rw-r--r-- | entity/accessor.hpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/entity/accessor.hpp b/entity/accessor.hpp index 9b836420..a097afd4 100644 --- a/entity/accessor.hpp +++ b/entity/accessor.hpp @@ -40,6 +40,7 @@ struct erased_accessor final { template<typename Obj, typename FieldType> requires std::is_default_constructible_v<FieldType> FieldType read(const Obj& x) const noexcept; template<typename Obj, typename FieldType> void read(const Obj& x, FieldType& value) const noexcept; template<typename Obj, typename FieldType> void write(Obj& x, move_qualified<FieldType> value) const noexcept; + constexpr bool can_write() const noexcept { return writer != nullptr; } }; template<typename T, typename FieldType> |