@fiber(sc{1}(e(0)) constructors:
initialized fiber: Fiber(SparseCOO{1, Tuple{Int32}, Int32}(Element{0.0, Float64}([2.0, 2.0, 3.0, 3.0]), (6,), (Int32[2, 3, 5, 6], ), [1, 5]))
initialized fiber: Fiber(SparseCOO{1, Tuple{Int16}, Int32}(Element{0.0, Float64}([2.0, 2.0, 3.0, 3.0]), (6,), (Int16[2, 3, 5, 6], ), [1, 5]))
sized fiber: Fiber(SparseCOO{1, Tuple{Int32}, Int32}(Element{0.0, Float64}([]), (7,), (Int32[], ), [1, 1]))
sized fiber: Fiber(SparseCOO{1, Tuple{Int16}, Int32}(Element{0.0, Float64}([]), (7,), (Int16[], ), [1, 1]))
empty fiber: Fiber(SparseCOO{1, Tuple{Int32}, Int32}(Element{0.0, Float64}([]), (0,), (Int32[], ), [1, 1]))
empty fiber: Fiber(SparseCOO{1, Tuple{Int16}, Int32}(Element{0.0, Float64}([]), (0,), (Int16[], ), [1, 1]))

