Polish codes and improve codecov

[ChenZhao44]

No description provided.

[codecov]

Codecov Report

Merging #83 (3293f70) into master (29327e9) will not change coverage.
The diff coverage is 67.12%.

@@           Coverage Diff           @@
##           master      #83   +/-   ##
=======================================
  Coverage   83.55%   83.55%           
=======================================
  Files          11       11           
  Lines        1666     1666           
=======================================
  Hits         1392     1392           
  Misses        274      274           

Impacted Files	Coverage Δ
src/abstract_zx_diagram.jl	0.00% <0.00%> (ø)
src/circuit_extraction.jl	79.56% <ø> (ø)
src/phase_teleportation.jl	100.00% <ø> (ø)
src/scalar.jl	100.00% <ø> (ø)
src/phase.jl	64.06% <65.38%> (ø)
src/zx_graph.jl	92.18% <80.00%> (ø)
src/zx_diagram.jl	84.94% <81.81%> (ø)
src/rules.jl	89.91% <93.33%> (ø)
src/simplify.jl	87.59% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 29327e9...3293f70. Read the comment docs.