Update to use package extensions (#5)

* update to use package extensions

* try to make aqua happy

* add ext to extras

Author: MasonProtter

Project.toml

@@ -1,7 +1,7 @@
 name = "Folds"
 uuid = "41a02a25-b8f0-4f67-bc48-60067656b558"
 authors = ["Takafumi Arakaki <[email protected]> and contributors"]
-version = "0.2.9"
+version = "0.2.10"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"
@@ -26,16 +26,24 @@ DefineSingletons = "0.1.1"
 ExternalDocstrings = "0.1"
 InitialValues = "0.2.10, 0.3"
 MicroCollections = "0.1, 0.2"
+OnlineStatsBase = "1"
 Referenceables = "0.1.2"
 Requires = "0.5, 1.0"
 ThreadedScans = "0.1"
 Transducers = "0.4.35"
 julia = "1.6"
 
+[extensions]
+FoldsOnlineStatsBaseExt = "OnlineStatsBase"
+
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
+OnlineStatsBase = "925886fa-5bf2-5e8e-b522-a9147a512338"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
 test = ["Aqua", "Documenter", "Test"]
+
+[weakdeps]
+OnlineStatsBase = "925886fa-5bf2-5e8e-b522-a9147a512338"

src/interop/onlinestats.jl renamed to ext/FoldsOnlineStatsBaseExt.jl

@@ -1,3 +1,15 @@
+module FoldsOnlineStatsBaseExt
+
+@static if isdefined(Base, :get_extension)
+    using Folds: Folds
+    using Folds.Implementations: FoldsInit, SequentialEx, Executor, reducingfunction
+    using OnlineStatsBase: OnlineStatsBase
+else
+    using ..Folds: Folds
+    using ..Folds.Implementations: FoldsInit, SequentialEx, Executor, reducingfunction
+    using ..OnlineStatsBase: OnlineStatsBase
+end
+
 function Folds.reduce(stat::OnlineStatsBase.OnlineStat, itr, ex::Executor; init = FoldsInit)
     ex isa SequentialEx || validate_reduce_ostat(stat)
     return Folds.reduce(reducingfunction(stat), itr, ex; init = init)
@@ -14,3 +26,5 @@ function validate_reduce_ostat(stat)
     end
     return stat
 end
+
+end

src/Folds.jl

@@ -109,8 +109,10 @@ include("collect.jl")
 include("misc.jl")
 
 function __init__()
-    @require OnlineStatsBase="925886fa-5bf2-5e8e-b522-a9147a512338" begin
-        include("interop/onlinestats.jl")
+    @static if !isdefined(Base, :get_extension)
+        @require OnlineStatsBase="925886fa-5bf2-5e8e-b522-a9147a512338" begin
+            include("../ext/FoldsOnlineStatsBaseExt.jl")
+        end
     end
 end