swiftlang/swift-format
Nov 2024 – Feb 2025
2 Months active
Languages Used
Swift
Technical Skills
Bug FixingCode FormattingTestingAPI DesignCode RefactoringLinting
Bernd Kolb
PROFILE
Bernd Kolb
Worked on the swiftlang/swift-format repository to enhance the reliability and consistency of Swift code formatting tools. Addressed a correctness issue in PrettyPrinter by refining line-number calculation for multiline comments, ensuring accurate reporting and improving debugging workflows. Expanded test coverage with targeted tests to validate these changes, focusing on robust handling of complex comment structures. Later, unified diagnostic reporting by removing severity levels, treating all findings as errors to streamline linter and formatter output. Leveraged skills in Swift, API design, code refactoring, and testing to deliver focused improvements that reduced ambiguity in diagnostics and strengthened the toolchain’s overall stability.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
225
Activity Months2
Your Network
622 peopleSame Organization
@apple.com594
Work History
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025: Swift-format feature delivery focused on unifying diagnostics by removing severity levels and treating all findings as errors, streamlining linter/formatter reporting, and improving consistency across the toolchain. This change reduces ambiguity in diagnostics, improves CI stability, and accelerates issue triage across developer workflows.
1 Commits • 1 Features
Feb 1, 2025February 2025: Swift-format feature delivery focused on unifying diagnostics by removing severity levels and treating all findings as errors, streamlining linter/formatter reporting, and improving consistency across the toolchain. This change reduces ambiguity in diagnostics, improves CI stability, and accelerates issue triage across developer workflows.
February 2025
November 2024
1 Commits
Nov 1, 2024Month: 2024-11. This month focused on improving the reliability and correctness of the Swift format tooling, particularly line-number reporting in PrettyPrinter for multiline comments. The primary deliverable was a bug fix with added tests to ensure robust line-number calculation across complex comment structures. The work enhances debugging accuracy for format-related issues and strengthens test coverage for formatter behavior.
November 2024
1 Commits
Nov 1, 2024Month: 2024-11. This month focused on improving the reliability and correctness of the Swift format tooling, particularly line-number reporting in PrettyPrinter for multiline comments. The primary deliverable was a bug fix with added tests to ensure robust line-number calculation across complex comment structures. The work enhances debugging accuracy for format-related issues and strengthens test coverage for formatter behavior.
Activity
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Quality Metrics
Correctness95.0%
Maintainability90.0%
Architecture80.0%
Performance90.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Swift
Technical Skills
API DesignBug FixingCode FormattingCode RefactoringLintingTesting
Repositories Contributed To
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