Support innersize for Refs and single-entry tuples

Author: oschulz

src/functions.jl

@@ -107,6 +107,9 @@ end
 @inline innersize(A::AbstractArray{<:AbstractArray}, dim::Integer) =
     innersize(A)[dim]
 
+@inline innersize(tpl::Tuple{T}) where T = size(only(tpl))
+@inline innersize(ref::Ref) = size(only(ref))
+
 
 """
     deepgetindex(A::AbstractArray, idxs...)

test/functions.jl

@@ -28,6 +28,9 @@ using StaticArrays
     @testset "innersize" begin
         @test @inferred(innersize([[1, 2, 3], [4, 5, 6]])) == (3,)
         @test @inferred(innersize([[]])) == (0,)
+        @test @inferred(innersize([2:5])) == (4,)
+        @test @inferred(innersize((2:5,))) == (4,)
+        @test @inferred(innersize(Ref(2:5))) == (4,)
         @test_throws DimensionMismatch @inferred(innersize([[1, 2, 3], [4, 5]]))
     end