Improve Queue Implementation

[sozelfist]

Checklist:

• I ran bellow commands using the latest version of rust nightly.
• I ran cargo clippy --all -- -D warnings just before my last commit and fixed any issue that was found.
• I ran cargo fmt just before my last commit.
• I ran cargo test just before my last commit and all tests passed.
• I added my algorithm to the corresponding mod.rs file within its own folder, and in any parent folder(s).
• I added my algorithm to DIRECTORY.md with the correct link.
• I checked COUNTRIBUTING.md and my code follows its guidelines.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.35%. Comparing base (bb72389) to head (91486bb).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #791      +/-   ##
==========================================
+ Coverage   95.32%   95.35%   +0.02%     
==========================================
  Files         310      310              
  Lines       22631    22620      -11     
==========================================
- Hits        21574    21569       -5     
+ Misses       1057     1051       -6     

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[sozelfist]

Can you have a look, @vil02?