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Nathaniel Burke

PROFILE

Nathaniel Burke

Over four months, this developer enhanced the Agda and agda2hs repositories by delivering six features and resolving four bugs focused on type theory, compiler design, and functional programming in Haskell. Their work included improving dot pattern compilation and mixfix operator handling, refining module import confluence checks, and expanding tactic support in module telescopes. They addressed critical issues in type-checker relevance and type substitution, emphasizing reliability and maintainability through comprehensive testing and documentation. By disabling automatic eta-expansion and introducing new safety warnings, they strengthened type inference stability and user confidence, demonstrating a methodical approach to evolving complex type systems and module management.

Overall Statistics

Feature vs Bugs

60%Features

Repository Contributions

10Total
Bugs
4
Commits
10
Features
6
Lines of code
1,504
Activity Months4

Work History

February 2026

3 Commits • 2 Features

Feb 1, 2026

February 2026: Delivered meaningful enhancements to Agda's module system and tactic integration, alongside a critical bug fix that reduces error surface in type substitution. These changes improve type inference stability, expand tactic-based proof capabilities, and enhance maintainability through updated tests and documentation. Key outcomes include extended @tactic support in module telescopes, a more predictable type system by disabling automatic eta-expansion of module applications, and a targeted bug fix that removes unnecessary type coercions.

January 2026

2 Commits • 2 Features

Jan 1, 2026

January 2026: Implemented safety-focused features and confluence-import improvements in agda/agda, with comprehensive testing and documentation to reduce risk in rewrite rules and module imports. These changes strengthen core type-checking reliability and user confidence in refactoring complex code.

December 2025

1 Commits

Dec 1, 2025

December 2025 monthly summary for agda/agda focusing on reliability and correctness in the type-checker. Implemented a critical fix to PTerm relevance checking in the Agda type-checker and expanded test coverage to guard against regressions in rewrite paths.

November 2025

4 Commits • 2 Features

Nov 1, 2025

2025-11 monthly summary focusing on key accomplishments, major bug fixes, overall impact, and technologies demonstrated for Agda-related repositories. Highlights include delivered features in agda/agda2hs and agda/agda, targeted bug fixes, tests, and demonstrable business value through improved reliability and flexibility in pattern handling and rewrite-rule management.

Activity

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Quality Metrics

Correctness86.0%
Maintainability82.0%
Architecture84.0%
Performance82.0%
AI Usage30.0%

Skills & Technologies

Programming Languages

Haskell

Technical Skills

AgdaHaskellcompiler designfunctional programmingmodule managementpattern matchingtestingtype checkingtype systemstype theory

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

agda/agda

Nov 2025 Feb 2026
4 Months active

Languages Used

Haskell

Technical Skills

AgdaHaskellcompiler designfunctional programmingtype theorymodule management

agda/agda2hs

Nov 2025 Nov 2025
1 Month active

Languages Used

Haskell

Technical Skills

Haskellcompiler designfunctional programmingpattern matching