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Simon Johnston

PROFILE

Simon Johnston

Johnston Skj implemented experimental support for the Simple Domain Modeling Language (SDML) in the Topiary formatter within the tweag/topiary repository. Focusing on code formatting and language parsing, Johnston integrated SDML into the CLI’s contributed languages, enabling broader extensibility for the tool. The work included expanding the test suite to achieve over 90% coverage for SDML, with targeted updates to ensure maintainability and facilitate future enhancements. Using Rust and TOML, Johnston also performed code cleanup and configuration management, streamlining contributor onboarding and supporting ongoing experiments. The month’s efforts centered on robust feature delivery and test-driven development rather than bug fixes.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
826
Activity Months1

Work History

February 2025

1 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary: Implemented experimental SDML support in the Topiary formatter, integrated SDML into the CLI contributed languages, and advanced test coverage and maintainability through targeted cleanup and configuration updates. No major bugs fixed this month; primary focus was feature delivery, testing, and code quality to enable quicker iteration and broader extensibility across the tweag/topiary repository.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture80.0%
Performance70.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

MarkdownNCLRustTOML

Technical Skills

Code FormattingCompiler DevelopmentConfiguration ManagementLanguage ParsingTesting

Repositories Contributed To

1 repo

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

tweag/topiary

Feb 2025 Feb 2025
1 Month active

Languages Used

MarkdownNCLRustTOML

Technical Skills

Code FormattingCompiler DevelopmentConfiguration ManagementLanguage ParsingTesting

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