Cairo Closures

Overview

Guide closure syntax and how closures capture environment values in Cairo.

Quick Use

• •Read references/closures.md before answering.
• •Use concise examples like |x| x * 2 and multi-line closures with {}.
• •Mention the current limitation on capturing mutable variables.

Response Checklist

• •Use pipe syntax for parameters and infer types when possible.
• •Explain capture of outer bindings and when that affects trait bounds.
• •Choose FnOnce, FnMut, or Fn based on how the closure uses captured values.

Example Requests

• •"How do I write a closure in Cairo?"
• •"Why is the closure type inferred as u8?"
• •"What is the difference between FnOnce, FnMut, and Fn?"

Cairo by Example

• •Closures
• •Capturing
• •As input parameters
• •Input functions
• •Higher Order Functions