From b6b02bf71af8d0428632aa639cf49e78c8c3b9fd Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Fri, 19 Jan 2024 00:03:32 +0200
Subject: [PATCH] Make publish and spawn discardable

---
 src/syndicate/actors.nim | 9 ++++++---
 syndicate.nimble         | 2 +-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/syndicate/actors.nim b/src/syndicate/actors.nim
index 4b93ef8..ccd4868 100644
--- a/src/syndicate/actors.nim
+++ b/src/syndicate/actors.nim
@@ -296,11 +296,11 @@ proc publish(turn: var Turn; r: Cap; v: Value; h: Handle) =
     act.enqueue.event.detail.assert.handle = h
     turn.desc.actions.add act
 
-proc publish*(turn: var Turn; r: Cap; a: Value): Handle =
+proc publish*(turn: var Turn; r: Cap; a: Value): Handle {.discardable.} =
   result = turn.facet.nextHandle()
   publish(turn, r, a, result)
 
-proc publish*[T](turn: var Turn; r: Cap; a: T): Handle =
+proc publish*[T](turn: var Turn; r: Cap; a: T): Handle {.discardable.} =
   publish(turn, r, a.toPreserves)
 
 proc retract(turn: var Turn; e: OutboundAssertion) =
@@ -459,7 +459,7 @@ proc bootActor*(name: string; bootProc: TurnAction): Actor =
     else: result.traceStream = openFileStream(path, fmWrite)
   run(result, bootProc, initialAssertions)
 
-proc spawn*(name: string; turn: var Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor =
+proc spawn*(name: string; turn: var Turn; bootProc: TurnAction; initialAssertions = initHashSet[Handle]()): Actor {.discardable.} =
   let actor = newActor(name, turn.facet.actor.handleAllocator)
   enqueue(turn, turn.facet) do (turn: var Turn):
     var newOutBound: Table[Handle, OutboundAssertion]
@@ -594,6 +594,9 @@ proc newCap*(relay: Facet; e: Entity): Cap =
 proc newCap*(turn; e: Entity): Cap =
   Cap(relay: turn.facet, target: e)
 
+proc newCap*(e: Entity; turn): Cap =
+  Cap(relay: turn.facet, target: e)
+
 type SyncContinuation {.final.} = ref object of Entity
   action: TurnAction
 
diff --git a/syndicate.nimble b/syndicate.nimble
index 8aab614..7be17e8 100644
--- a/syndicate.nimble
+++ b/syndicate.nimble
@@ -1,6 +1,6 @@
 # Package
 
-version = "20240116"
+version = "20240119"
 author        = "Emery Hemingway"
 description   = "Syndicated actors for conversational concurrency"
 license       = "Unlicense"