Glossary coding Term Page
Closure
An anonymous function-like expression that captures surrounding values
Core Idea
A closure is a function-like expression that can capture values from the surrounding scope. In Rust the capture mode follows how the body uses those values, which makes closures a practical way to learn references and borrowing at the same time.
Why It Matters Here
Mathbong uses closures in map, filter, event handling, and threads that take captured values. They look like small functions, but the key difference is that they carry surrounding context with them.