Add to_vec(::Thunk) (#173)

Author: mzgubic

.github/workflows/Documenter.yml

@@ -19,6 +19,8 @@ jobs:
             using Pkg
             Pkg.develop(PackageSpec(path=pwd()))
             Pkg.instantiate()'
+        env:
+          JULIA_PKG_SERVER: ""
       - run: |
           julia --project=docs -e '
             using Documenter: doctest

Project.toml

@@ -1,6 +1,6 @@
 name = "FiniteDifferences"
 uuid = "26cc04aa-876d-5657-8c51-4c34ba976000"
-version = "0.12.12"
+version = "0.12.13"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
@@ -11,7 +11,7 @@ Richardson = "708f8203-808e-40c0-ba2d-98a6953ed40d"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 
 [compat]
-ChainRulesCore = "0.9.44, 0.10"
+ChainRulesCore = "0.10.3"
 Richardson = "1.2"
 StaticArrays = "0.12, 1.0"
 julia = "1"

docs/Manifest.toml

@@ -11,9 +11,9 @@ uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
 
 [[ChainRulesCore]]
 deps = ["Compat", "LinearAlgebra", "SparseArrays"]
-git-tree-sha1 = "b391f22252b8754f4440de1f37ece49d8a7314bb"
+git-tree-sha1 = "8b31cc69cbc38c5c826aaa1c890c694be3622d99"
 uuid = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
-version = "0.9.44"
+version = "0.10.3"
 
 [[Compat]]
 deps = ["Base64", "Dates", "DelimitedFiles", "Distributed", "InteractiveUtils", "LibGit2", "Libdl", "LinearAlgebra", "Markdown", "Mmap", "Pkg", "Printf", "REPL", "Random", "SHA", "Serialization", "SharedArrays", "Sockets", "SparseArrays", "Statistics", "Test", "UUIDs", "Unicode"]
@@ -34,10 +34,10 @@ deps = ["Random", "Serialization", "Sockets"]
 uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [[DocStringExtensions]]
-deps = ["LibGit2", "Markdown", "Pkg", "Test"]
-git-tree-sha1 = "9d4f64f79012636741cf01133158a54b24924c32"
+deps = ["LibGit2"]
+git-tree-sha1 = "a32185f5428d3986f47c2ab78b1f216d5e6cc96f"
 uuid = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
-version = "0.8.4"
+version = "0.8.5"
 
 [[Documenter]]
 deps = ["Base64", "Dates", "DocStringExtensions", "IOCapture", "InteractiveUtils", "JSON", "LibGit2", "Logging", "Markdown", "REPL", "Test", "Unicode"]
@@ -53,7 +53,7 @@ uuid = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
 deps = ["ChainRulesCore", "LinearAlgebra", "Printf", "Random", "Richardson", "StaticArrays"]
 path = ".."
 uuid = "26cc04aa-876d-5657-8c51-4c34ba976000"
-version = "0.12.7"
+version = "0.12.13"
 
 [[IOCapture]]
 deps = ["Logging"]
@@ -161,9 +161,9 @@ uuid = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [[StaticArrays]]
 deps = ["LinearAlgebra", "Random", "Statistics"]
-git-tree-sha1 = "c635017268fd51ed944ec429bcc4ad010bcea900"
+git-tree-sha1 = "42378d3bab8b4f57aa1ca443821b752850592668"
 uuid = "90137ffa-7385-5640-81b9-e52037218182"
-version = "1.2.0"
+version = "1.2.2"
 
 [[Statistics]]
 deps = ["LinearAlgebra", "SparseArrays"]

src/to_vec.jl

@@ -193,3 +193,9 @@ function FiniteDifferences.to_vec(x::AbstractZero)
     end
     return Bool[], AbstractZero_from_vec
 end
+
+function FiniteDifferences.to_vec(t::Thunk)
+    v, back = to_vec(unthunk(t))
+    Thunk_from_vec = v -> @thunk(back(v))
+    return v, Thunk_from_vec
+end

test/to_vec.jl

@@ -176,6 +176,10 @@ end
             test_to_vec(ZeroTangent())
             test_to_vec(NoTangent())
         end
+
+        @testset "Thunks" begin
+            test_to_vec(@thunk(3.2+4.3))
+        end
     end
 
     @testset "FillVector" begin