Revert "Define in for CartesianIndex ranges (#58616)"

This reverts commit 304847e.

Author: KristofferC

base/multidimensional.jl

@@ -183,24 +183,6 @@ module IteratorsMD
                     step(r), ", ", length(r), ")")
     end
 
-    Base.in(x::CartesianIndex, r::AbstractRange{<:CartesianIndex}) = false
-    function Base.in(x::CartesianIndex{N}, r::AbstractRange{CartesianIndex{N}}) where {N}
-        isempty(r) && return false
-        f, st, l = first(r), step(r), last(r)
-        # The n-th element of the range is a CartesianIndex
-        # whose elements are the n-th along each dimension
-        # Find the first dimension along which the index is changing,
-        # so that n may be uniquely determined
-        for i in 1:N
-            iszero(st[i]) && continue
-            n = findfirst(==(x[i]), f[i]:st[i]:l[i])
-            isnothing(n) && return false
-            return r[n] == x
-        end
-        # if the step is zero, the elements are identical, so compare with the first
-        return x == f
-    end
-
     # Iteration
     const OrdinalRangeInt = OrdinalRange{Int, Int}
     """

test/cartesian.jl

@@ -573,57 +573,3 @@ end
     end
     @test t3 == (1, 2, 0)
 end
-
-@testset "CartesianIndex show" begin
-    c = CartesianIndex()
-    @test sprint(show, c) == "CartesianIndex()"
-    c = CartesianIndex(3)
-    @test sprint(show, c) == "CartesianIndex(3)"
-    c = CartesianIndex(3, 3)
-    @test sprint(show, c) == "CartesianIndex(3, 3)"
-end
-
-@testset "CartesianIndex indexing with begin/end" begin
-    I = CartesianIndex(3,4)
-    @test I[begin] == I[1]
-    @test I[end] == I[2]
-end
-
-@testset "in for a CartesianIndex StepRangeLen" begin
-    @testset for l in [0, 1, 4], r in Any[
-            StepRangeLen(CartesianIndex(), CartesianIndex(), l),
-            StepRangeLen(CartesianIndex(1), CartesianIndex(0), l),
-            StepRangeLen(CartesianIndex(1), CartesianIndex(1), l),
-            StepRangeLen(CartesianIndex(1), CartesianIndex(4), l),
-            StepRangeLen(CartesianIndex(1), CartesianIndex(-4), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(0, 0), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(0, 4), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(0, -4), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(4, 0), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(-4, 0), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(4, 2), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(-4, 2), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(4, -2), l),
-            StepRangeLen(CartesianIndex(-1, 2), CartesianIndex(-4, -2), l),
-            StepRangeLen(CartesianIndex(-1, 2, 0), CartesianIndex(0, 0, 0), l),
-            StepRangeLen(CartesianIndex(-1, 2, 0), CartesianIndex(0, 0, -2), l),
-            ]
-
-        if length(r) == 0
-            @test !(first(r) in r)
-            @test !(last(r) in r)
-        end
-        for x in r
-            @test x in r
-            if step(r) != oneunit(x)
-                @test !((x + oneunit(x)) in r)
-            end
-        end
-        @test !(CartesianIndex(ntuple(x->0, ndims(r))) in r)
-        @test !(CartesianIndex(ntuple(x->typemax(Int), ndims(r))) in r)
-        @test !(CartesianIndex(ntuple(x->typemin(Int), ndims(r))) in r)
-        if ndims(r) > 1
-            @test !(CartesianIndex(ntuple(x->0, ndims(r)-1)...) in r)
-        end
-    end
-end