Hands-On Capture Checking with Martin Odersky

Explore capture checking, an experimental Scala feature that serves as a fundamental building block for direct style programming, through this 41-minute live coding conference talk from Scala Days 2025. Dive into the practical aspects of capture checking that most Scala developers will encounter, presented from the perspective of a regular developer who has studied the academic documentation and experimented with nightly builds. Learn about this somewhat confusing but trendy programming concept through hands-on demonstrations and real-world examples. Benefit from Martin Odersky's presence during the session, who provides corrections to mistakes and offers essential context throughout the exploration. Gain practical understanding of how capture checking works in practice and its role in modern Scala development, making this complex academic concept more accessible to everyday developers.