Manually type-stabilize SideEffect in gemm examples

This reverts a prt of df6611b

benchmark/gemm.jl

@@ -16,6 +16,7 @@ function _ndrmul_rf()
 
     rf = SideEffect() do (c, a, b)
         c[] = muladd(a, b, c[])
+        return
     end
 
     return maybe_usesimd(BottomRF{Any}(rf), simd)

docs/Manifest.toml

@@ -187,7 +187,7 @@ version = "0.5.5"
 
 [[Transducers]]
 deps = ["ArgCheck", "BangBang", "InitialValues", "Markdown", "Requires", "Setfield"]
-git-tree-sha1 = "855ad83dbdc6a275be746431d001e8f3b45498f8"
+git-tree-sha1 = "da651d0e7cf5217239ec1e45885ae4561decbe82"
 repo-rev = "master"
 repo-url = "https://github.com/tkf/Transducers.jl.git"
 uuid = "28d57a85-8fef-5791-bfe6-a80928e7c999"

src/NDReducibles.jl

@@ -12,7 +12,7 @@ using Base.Broadcast: Broadcasted
 using LinearAlgebra: Adjoint, Transpose
 using Referenceables: ReferenceableArray, parenttype
 using Transducers:
-    @next!,
+    @next,
     @return_if_reduced,
     @simd_if,
     Foldable,

src/reduce.jl

@@ -33,6 +33,7 @@ julia> foreach(
            simd = :ivdep,  # optional
        ) do (c, a, b)
            c[] += a * b
+           return  # not required but useful for performance
        end;
 
 julia> C == A * B
@@ -128,7 +129,7 @@ end
 @inline function _ndreduce(rf, acc, accessed, indexmap0, patterns, i)
     @simd_if rf for j in axisfor(patterns, i)
         indexmap = (indexmap0..., i => j)
-        @next!(rf, acc, tryaccess(patterns, indexmap, accessed))
+        acc = @next(rf, acc, tryaccess(patterns, indexmap, accessed))
     end
     return acc
 end

test/Manifest.toml

@@ -51,7 +51,7 @@ uuid = "9fa8497b-333b-5362-9e8d-4d0656e87820"
 
 [[IRTest]]
 deps = ["Test"]
-git-tree-sha1 = "97684b5fe252d479eec33b19eb43e30731b0586f"
+git-tree-sha1 = "5f2778f64fdc9d2e29176869ba49167777ed1170"
 repo-rev = "master"
 repo-url = "https://github.com/tkf/IRTest.jl"
 uuid = "c9680f28-2a59-47f6-98e4-d41620d42cd2"
@@ -169,7 +169,7 @@ version = "0.5.5"
 
 [[Transducers]]
 deps = ["ArgCheck", "BangBang", "InitialValues", "Markdown", "Requires", "Setfield"]
-git-tree-sha1 = "855ad83dbdc6a275be746431d001e8f3b45498f8"
+git-tree-sha1 = "da651d0e7cf5217239ec1e45885ae4561decbe82"
 repo-rev = "master"
 repo-url = "https://github.com/tkf/Transducers.jl.git"
 uuid = "28d57a85-8fef-5791-bfe6-a80928e7c999"