Future directions of Property Wrappers

[DevAndArtist (Adrian Meister)]

Maybe we can get the optimization for value types as well, which would depend on two subscript related features mentioned here:

Set-only subscripts

Question to the language experts: Would this feature also allow for inout parameters in subscripts? struct S { static subscript <T>(value: inout T) -> T { set { value = newValue } } } Not by the proposal implementation itself, but as some followup feature. I would need a combination of the pitched feature and the above: public subscript (context: Context, storage: Storage) -> Value { get { storage.value } } public subscript (context: Context, storage: inout Storag…