fixup! Implement an interface for Distributed-like libraries

Project.toml

@@ -28,7 +28,7 @@ LoweredCodeUtils = "3.0.1"
 OrderedCollections = "1"
 # Exclude Requires-1.1.0 - see https://github.com/JuliaPackaging/Requires.jl/issues/94
 Requires = "~1.0, ^1.1.1"
-julia = "1.9"
+julia = "1.10"
 
 [extras]
 CatIndices = "aafaddc9-749c-510e-ac4f-586e18779b91"

src/packagedef.jl

@@ -9,14 +9,18 @@ using Core: CodeInfo
 export revise, includet, entr, MethodSummary
 
 
+# Abstract type to represent a single worker
+abstract type AbstractWorker end
+
 # Wrapper struct to indicate a worker belonging to the Distributed stdlib. Other
-# libraries should make their own types for Revise to dispatch on.
-struct DistributedWorker
+# libraries should make their own type that subtypes AbstractWorker for Revise
+# to dispatch on.
+struct DistributedWorker <: AbstractWorker
     id::Int
 end
 
 # This is a list of functions that will retrieve a list of workers
-const workers_functions = Function[]
+const workers_functions = Base.Callable[]
 
 # A distributed worker library wanting to use Revise should register their
 # workers() function with this.
@@ -1314,7 +1318,7 @@ async_steal_repl_backend() = steal_repl_backend()
 Define methods on worker `p` that Revise needs in order to perform revisions on `p`.
 Revise itself does not need to be running on `p`.
 """
-function init_worker(p)
+function init_worker(p::AbstractWorker)
     remotecall_impl(Core.eval, p, Main, quote
         function whichtt(@nospecialize sig)
             @static if VERSION ≥ v"1.10.0-DEV.873"