fix: storagetypes

Author: lkdvos

src/tensors/blocktensor.jl

@@ -164,7 +164,7 @@ Base.parent(t::BlockTensorMap) = t.data
 # handle this separately because the storagetype of `AbstractTensorMap` is
 # *always* Vector no matter the actual data storage type
 TK.storagetype(t::BlockTensorMap{AbstractTensorMap{E, S, N₁, N₂}}) where {E, S, N₁, N₂} =
-    foldl(TK.promote_storagetype, values(t.data))
+    mapreduce(TK.storagetype, TK.promote_storagetype, values(t.data))
 
 function Base.copyto!(
         dest::BlockTensorMap, Rdest::CartesianIndices,

src/tensors/sparseblocktensor.jl

@@ -171,7 +171,7 @@ Base.eltype(::Type{<:SparseBlockTensorMap{TT}}) where {TT} = TT
 # handle this separately because the storagetype of `AbstractTensorMap` is
 # *always* Vector no matter the actual data storage type
 TK.storagetype(t::SparseBlockTensorMap{AbstractTensorMap{E, S, N₁, N₂}}) where {E, S, N₁, N₂} =
-    foldl(TK.promote_storagetype, nonzero_values(t))
+    mapreduce(TK.storagetype, TK.promote_storagetype, nonzero_values(t))
 
 issparse(::SparseBlockTensorMap) = true
 nonzero_keys(t::SparseBlockTensorMap) = keys(t.data)