Protocols for communication among Syndicate actors across various kinds of network and other communications media
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version 1 .
embeddedType EntityRef.Cap .
; Each Attenuation is a stage. The sequence of Attenuations is run RIGHT-TO-LEFT.
; That is, the newest Attenuations are at the right.
SturdyRef = <ref @oid any @caveatChain [Attenuation ...] @sig bytes>.
; An individual Attenuation is run RIGHT-TO-LEFT.
; That is, the newest Caveats are at the right.
Attenuation = [Caveat ...].
; embodies 1st-party caveats over assertion structure, but nothing else
; can add 3rd-party caveats and richer predicates later
Caveat = Rewrite / Alts .
Rewrite = <rewrite @pattern Pattern @template Template>.
Alts = <or @alternatives [Rewrite ...]>.
Oid = int .
WireRef = @mine [0 @oid Oid] / @yours [1 @oid Oid @attenuation Caveat ...].
;---------------------------------------------------------------------------
Lit = <lit @value any>.
Pattern = PDiscard / PAtom / PEmbedded / PBind / PAnd / PNot / Lit / PCompound .
PDiscard = <_>.
PAtom = =Boolean / =Float / =Double / =SignedInteger / =String / =ByteString / =Symbol .
PEmbedded = =Embedded .
PBind = <bind @pattern Pattern>.
PAnd = <and @patterns [Pattern ...]>.
PNot = <not @pattern Pattern>.
PCompound =
/ @rec <rec @label any @fields [Pattern ...]>
/ @arr <arr @items [Pattern ...]>
/ @dict <dict @entries { any: Pattern ...:... }> .
Template = TAttenuate / TRef / Lit / TCompound .
TAttenuate = <attenuate @template Template @attenuation Attenuation>.
TRef = <ref @binding int>.
TCompound =
/ @rec <rec @label any @fields [Template ...]>
/ @arr <arr @items [Template ...]>
/ @dict <dict @entries { any: Template ...:... }> .