Renamed to bellroy/system-actor-model. That is where the repository lives now. It has not been published as a package under the new name.
Versions published as tricycle/system-actor-model still install under that name. 26 versions of 26 come from the new location (see their notes).
Rerouted (renamed, verified). The GitHub user or repository was renamed. The tag is still there, at the new name. The Lamdera package server serves a copy recovered from https://github.com/bellroy/system-actor-model.
What we checked: The repo moved to github.com/bellroy/system-actor-model. Rebuilt with git archive from commit 18ae67c77f4c of https://github.com/bellroy/system-actor-model (zip prefix tricycle-system-actor-model-499fdd3/, America/Los_Angeles times): the zip is byte-identical to the one package.elm-lang.org recorded, SHA-1 5ba0270fce809eb1f5449bdcb89c7add0c71b548.
The Lamdera compiler uses this copy and prints a one-line notice saying so. elm itself fails to download this version.
Details · package.elm-lang.org's zip: https://github.com/tricycle/system-actor-model/zipball/8.0.2/
A Process in the context of this package represents a spawned/active Actor.
Each Process gets assigned an unique identifier (PID). The PID also holds information about who spawned, or started, the process.
Check if two PIDs are identical.
Represent a PID as an Int
Represent a PID as a String
Get the PID responsible for spawing the given PID