Comments (3)
Also... just realized you're probably looking at main
while writing this. :D The carrier-type
branch is the current state of enhancements for offer!()
. main
doesn't use Vesta yet.
from dialectic.
I've been hoping for something like this for a while; unfortunately, there are some nasty reasons this is not currently doable. Right now, the numeric indices are used to index a trait as const generics (trait Case<const N: usize>
in Vesta.) I have some ideas on how we could potentially get around this with overly clever use of macros but they can't currently be anything other than usize
or something that becomes usize
because of how early in compilation they have to be used.
from dialectic.
This isn't presently possible because at macro expansion time, there's no way to go from Push
to Choice::Push
because name resolution happens after macro expansion.
If you can access the enum, then you can turn that into an integer using a sweet hack™ which would involve having a module by the same name (so it gets imported automatically with the Choice
enum) that contains an enum that maps to the integer index. I probably messed up some part of that explanation, but hopefully it offers (eyyy) a starting point.
Both of these issues could be solved a lot nicer with const generic enums, but so could a lot of dialectic.
from dialectic.
Related Issues (20)
- [transmit-case] Ergonomics for `Choice<N>` bounds
- Make serialization non-dependent on serde HOT 5
- Try lifting `Session<Action = _>` bounds into `impl` for better errors HOT 2
- Backend wrapper restricted by an explicit allow-list
- `offer!` macro does not catch too-small arity
- Improve type error presentation
- Fix broken Clippy after update
- Ensure channel_id is actually unique HOT 1
- Add `confirmation_depth` to Merchant.toml example as well as explanation in README.md
- Provide a way to dialectic to have an extra encryption tunnel using a session key
- Write key-server function to accept a request to store a secret
- Add CHANGELOG since 0.3
- Support batching backends
- Transition to poll_fn style backend traits HOT 2
- Multiplexing backend adapter
- Explicit "unsafe" in session type language HOT 2
- Parameterize serde backend by serialization strategy HOT 1
- Allow sending types "as" other types HOT 1
- [transmit-case] Issues with `TransmitCase` by ref
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from dialectic.