SE

Alejandro Serrano

Engineer, functional programming passionate, author of 'FP for the Curious Kotliner', 'Haskell (Almost) Std. Libs.', 'Book of Monads', and 'Practical Haskell'

Utrecht, Netherlands

Website

@trupill

Joined June 2010

464 Followers

3 Following

AI Insights & Achievements

57/ 100

Quality

Avg 12.3 stars per repo.

Growth

9 new projects with 36 stars.

Consistency

8 day streak.

Organizations

AR

Public Repos

129

Total Stars

1229

Total Forks

157

Public Gists

19

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 21st, 2026 • 5 contributions

Most active week: Nov 24–Nov 30 • 26 contributions

Most active month: May 2025 • 57 contributions

closed issue in arrow-kt/arrow

February 6th, 2026 3:41 PM

merged pull request in arrow-kt/arrow

February 6th, 2026 3:41 PM

Pushed to main at arrow-kt/arrow

February 6th, 2026 3:41 PM

Pushed to serras/fix-3860- at arrow-kt/arrow

February 6th, 2026 3:04 PM

Pushed to main at arrow-kt/arrow

February 6th, 2026 3:04 PM

reopened issue in arrow-kt/arrow

February 6th, 2026 3:00 PM

IssueCommentEvent on arrow-kt/arrow

February 6th, 2026 2:52 PM

closed issue in arrow-kt/arrow

February 6th, 2026 2:52 PM

opened pull request in arrow-kt/arrow

February 6th, 2026 2:48 PM

Created branch serras/fix-3860- in arrow-kt/arrow

February 6th, 2026 2:48 PM

GitHub Analytics

Alejandro Serrano

Quality

Growth

Consistency