@fiber(sm(e(0)) constructors:
initialized fiber: Fiber(SparseBytemap{Int64, Int64}(Element{0.0, Float64}([0.0, 2.0, 2.0, 0.0, 3.0, 3.0]), 6, [1, 5], [0, 1, 1, 0, 1, 1], [(1, 2), (1, 3), (1, 5), (1, 6)]))
initialized fiber: Fiber(SparseBytemap{Int16, Int64}(Element{0.0, Float64}([0.0, 2.0, 2.0, 0.0, 3.0, 3.0]), 6, [1, 5], [0, 1, 1, 0, 1, 1], [(1, 2), (1, 3), (1, 5), (1, 6)]))
sized fiber: Fiber(SparseBytemap{Int64, Int64}(Element{0.0, Float64}([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]), 7, [1, 0], [0, 0, 0, 0, 0, 0, 0], []))
sized fiber: Fiber(SparseBytemap{Int16, Int64}(Element{0.0, Float64}([0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]), 7, [1, 0], [0, 0, 0, 0, 0, 0, 0], []))
empty fiber: Fiber(SparseBytemap{Int64, Int64}(Element{0.0, Float64}([]), 0, [1, 0], [], []))
empty fiber: Fiber(SparseBytemap{Int16, Int64}(Element{0.0, Float64}([]), 0, [1, 0], [], []))

