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Nuno Campos
2023-10-23 16:14:44 +01:00
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@@ -22,13 +22,13 @@ Some of the use cases are:
Channels are used to communicate between chains. Each channel has a value type, an update type, and an update function – which takes a sequence of updates and modifies the stored value. Channels can be used to send data from one chain to another, or to send data from a chain to itself in a future step. PermChain provides a number of built-in channels:
- `Channels.LastValue`: stores the last value sent to the channel, useful for input values, and single-value outputs
- `Channels.Inbox`: stores an ephemeral sequence of values sent to the channel, useful for sending data from one chain to another
- `Channels.UniqueInbox`: same as Inbox, but deduplicates values sent to the channel
- `Channels.Archive`: stores a persistent sequence of values sent to the channel, useful for accumulating data over multiple steps
- `Channels.UniqueArchive`: same as Archive, but deduplicates values sent to the channel
- `Channels.BinaryOperatorAggregate`: stores a persistent value, updated by applying a binary operator to the current value and each update sent to the channel, useful for computing aggregates over multiple steps. eg. `total = Channels.BinaryOperatorAggregate(int, operator.add)`
- `Channels.Context`: exposes the value of a context manager, managing its lifecycle. Useful for accessing external resources that require setup and/or teardown. eg. `client = Channels.Context(httpx.Client)`
- `LastValue`: stores the last value sent to the channel, useful for input values, and single-value outputs
- `Inbox`: stores an ephemeral sequence of values sent to the channel, useful for sending data from one chain to another
- `UniqueInbox`: same as Inbox, but deduplicates values sent to the channel
- `Archive`: stores a persistent sequence of values sent to the channel, useful for accumulating data over multiple steps
- `UniqueArchive`: same as Archive, but deduplicates values sent to the channel
- `BinaryOperatorAggregate`: stores a persistent value, updated by applying a binary operator to the current value and each update sent to the channel, useful for computing aggregates over multiple steps. eg. `total = BinaryOperatorAggregate(int, operator.add)`
- `Context`: exposes the value of a context manager, managing its lifecycle. Useful for accessing external resources that require setup and/or teardown. eg. `client = Context(httpx.Client)`
### Chains