Add solution for Challenge 19 by affulk000

[affulk000]

Challenge 19 Solution

Submitted by: @affulk000
Challenge: Challenge 19

Description

This PR contains my solution for Challenge 19.

Changes

• Added solution file to challenge-19/submissions/affulk000/solution-template.go

Testing

• Solution passes all test cases
• Code follows Go best practices

Thank you for reviewing my submission! 🚀

[coderabbitai]

Walkthrough

A new Go program is added to the challenge-19 submission directory containing four utility functions: FindMax (returns maximum value), RemoveDuplicates (removes duplicates while preserving order), ReverseSlice (reverses elements), and FilterEven (filters even numbers). A main function demonstrates usage of all four functions with a sample slice.

Changes

Cohort / File(s)	Summary
Slice utility functions challenge-19/submissions/affulk000/solution-template.go	Adds four exported slice manipulation functions (FindMax, RemoveDuplicates, ReverseSlice, FilterEven) and a main demo function demonstrating their usage.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• Add solution for Challenge 19 by nzamulov #601: Adds the same four slice utility functions (FindMax, RemoveDuplicates, ReverseSlice, FilterEven) with identical signatures in a different submission file.
• Add solution for Challenge 19 by kiramux #722: Introduces the same set of four exported slice utility functions in a similar challenge-19 submission location.
• Add solution for Challenge 19 by Johrespi #724: Implements the same four utility functions (FindMax, RemoveDuplicates, ReverseSlice, FilterEven) with matching signatures and demo main.

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: adding a solution submission for Challenge 19 by a specific user.
Description check	✅ Passed	The description is directly related to the changeset, clearly explaining that it contains the Challenge 19 solution and listing the key changes made.
Docstring Coverage	✅ Passed	Docstring coverage is 80.00% which is sufficient. The required threshold is 80.00%.

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