Alex Rios

Senior Staff Engineer @ Stone Co.
Alex Rios is a Senior Staff Engineer at Stone Co. with nearly two decades of experience in system design, performance optimization, and high-performance team practices. He is the author of "System Programming Essentials with Go" and "Learning Zig" and serves on the strategic advisory boards of Flipt Software and Packt, where he contributes to critical product and technology decisions. A passionate advocate for technical communities, Alex is a frequent speaker at national events, sharing his insights on building scalable systems, optimizing performance, and fostering high-performing engineering teams. As a Lead Engineer and community organizer, he continues to inspire and empower developers to push the boundaries of innovation.
Alex Rios
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This edition

Tug-of-Code: The battle for efficient iteration in Go
October 06 2025 - 12:15 (45 min )

Iterators are a powerful tool for traversing custom data structures, enabling clean, reusable, and efficient code. In this talk, we’ll explore how iterators work in Go, from the familiar `for-range` loop to advanced patterns like pull-based iterators and mutation during iteration.

LEVEL: Intermediate

Tug-of-Code: The battle for efficient iteration in Go

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