@fiber(sc{2}(e(0)) constructors:
initialized fiber: Fiber(SparseCoo{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int64[2, 1, 1, 2, 2, 1, 1, 3], Int64[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
initialized fiber: Fiber(SparseCoo{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64}([1.0, 2.0, 2.0, 7.0, 1.0, 3.0, 3.0, 9.0]), (3, 6), (Int16[2, 1, 1, 2, 2, 1, 1, 3], Int16[1, 2, 3, 3, 4, 5, 6, 6], ), [1, 9]))
sized fiber: Fiber(SparseCoo{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64}([]), (3, 7), (Int64[], Int64[], ), [1, 1]))
sized fiber: Fiber(SparseCoo{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64}([]), (3, 7), (Int16[], Int16[], ), [1, 1]))
empty fiber: Fiber(SparseCoo{2, Tuple{Int64, Int64}, Int64}(Element{0.0, Float64}([]), (0, 0), (Int64[], Int64[], ), [1, 1]))
empty fiber: Fiber(SparseCoo{2, Tuple{Int16, Int16}, Int64}(Element{0.0, Float64}([]), (0, 0), (Int16[], Int16[], ), [1, 1]))

