Add descriptive error to name collision

[hz-xiaxz]

Fixes #43. I'm not familiar with macro test so it's written with help of Gemini.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (5e76b4b) to head (f031a62).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #46   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines           60        64    +4     
=========================================
+ Hits            60        64    +4     

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[coveralls]

Pull Request Test Coverage Report for Build 18492715480

Details

• 7 of 7 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 18490152321:	0.0%
Covered Lines:	64
Relevant Lines:	64

---

💛 - Coveralls

[hz-xiaxz]

Thanks for your review! I've applied all suggestions.

[hz-xiaxz]

Done.

[devmotion]

Can you update the version number (again)?

[devmotion]

Thank you!

[hz-xiaxz]

Thanks a lot for the thorough review! I've learnt a lot as a Julia beginner.