Minimize ambiguities for similar (#67)

Author: mtfishman

Project.toml

@@ -1,7 +1,7 @@
 name = "SparseArraysBase"
 uuid = "0d5efcca-f356-4864-8770-e1ed8d78f208"
 authors = ["ITensor developers <[email protected]> and contributors"]
-version = "0.7.1"
+version = "0.7.2"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"

src/abstractsparsearray.jl

@@ -27,20 +27,24 @@ end
 function Base.similar(a::AnyAbstractSparseArray, ax::Tuple)
   return similar(a, Unstored(unstoredsimilar(unstored(a), ax)))
 end
-function Base.similar(a::AnyAbstractSparseArray, T::Type, ax::Tuple)
+
+function similar_sparsearray(a::AbstractArray, T::Type, ax::Tuple)
   return similar(a, Unstored(unstoredsimilar(unstored(a), T, ax)))
 end
-# Fix ambiguity error.
-function Base.similar(a::AnyAbstractSparseArray, T::Type, ax::Tuple{Int,Vararg{Int}})
-  return similar(a, Unstored(unstoredsimilar(unstored(a), T, ax)))
+function Base.similar(a::AnyAbstractSparseArray, T::Type, ax::Tuple{Vararg{Int}})
+  return similar_sparsearray(a, T, ax)
+end
+function Base.similar(
+  a::AnyAbstractSparseArray, T::Type, ax::Tuple{Integer,Vararg{Integer}}
+)
+  return similar_sparsearray(a, T, ax)
 end
-# Fix ambiguity error.
 function Base.similar(
   a::AnyAbstractSparseArray,
   T::Type,
   ax::Tuple{Union{Integer,Base.OneTo},Vararg{Union{Integer,Base.OneTo}}},
 )
-  return similar(a, Unstored(unstoredsimilar(unstored(a), T, ax)))
+  return similar_sparsearray(a, T, ax)
 end
 
 using DerivableInterfaces: @derive