Benchmarking of used types

[Leticia-maria]

@benchmark method_0(ex)
BenchmarkTools.Trial: 10000 samples with 995 evaluations.
 Range (min … max):  25.631 ns … 45.269 ns  ┊ GC (min … max): 0.00% … 0.00%
 Time  (median):     25.859 ns              ┊ GC (median):    0.00%
 Time  (mean ± σ):   26.404 ns ±  1.163 ns  ┊ GC (mean ± σ):  0.00% ± 0.00%

  ▁▆█▆▂     ▁▆▆▄        ▁          ▁▁         ▂▃▂          ▂▃ ▂
  █████▅▁▁▁▁█████▃▁▁▁▁▃▇██▆▁▁▄▅▆▅▆▇██▆▁▄▃▅▄▅▅▆███▇▁▁▁▄▃▁▁▁███ █
  25.6 ns      Histogram: log(frequency) by time      30.1 ns <

 Memory estimate: 0 bytes, allocs estimate: 0.