When does this advisor activate?

The skill activates when it detects 3 or more levels of nested pattern matching or complex guard clauses that make control flow difficult to read.

Does this skill work with Result types?

Yes, it can refactor nested 'if let Ok(val)' patterns into flattened let chains, which is especially useful for sequential error-handling checks.

What are Rust let chains?

Let chains allow you to combine multiple 'let' bindings and boolean conditions in a single 'if' or 'while' statement using the '&&' operator, eliminating the need for deep nesting.

What Rust version is required to use let chains?

This feature requires Rust version 1.88 or higher and the package must be configured for the 2024 Edition in Cargo.toml.

Rust Let Chains Advisor

Name: Rust Let Chains Advisor
Author: EmilLindfors

byEmilLindfors

개발자 도구

Streamlines Rust control flow by refactoring deeply nested if-let expressions into modern, flattened let chains.

소개

The Rust Let Chains Advisor is a specialized skill designed to modernize Rust codebases by identifying and refactoring complex, nested pattern matching structures. Specifically targeting features introduced in the Rust 2024 edition, it detects deeply nested 'if-let' and 'while-let' expressions that create a 'pyramid of doom' effect, suggesting flattened 'let chains' that significantly improve code readability and maintainability. This skill is ideal for developers looking to leverage the latest Rust syntax to simplify multiple Option/Result unwrapping and complex guard clauses.

주요 기능

Identifies nested if-let expressions of 3 or more levels
Refactors multiple Option and Result unwrapping into single conditions
Simplifies while-let loops with integrated boolean guards
Converts complex nested guard clauses into linear control flow
0 GitHub stars
Validates compatibility with Rust 2024 Edition and version 1.88+

사용 사례

Cleaning up complex iteration logic in while-let loops with conditional processing
Refactoring deeply nested database query results and profile unwrapping logic
Modernizing legacy Rust codebases to meet 2024 Edition style standards

소개

주요 기능

Identifies nested if-let expressions of 3 or more levels
Refactors multiple Option and Result unwrapping into single conditions
Simplifies while-let loops with integrated boolean guards
Converts complex nested guard clauses into linear control flow
0 GitHub stars
Validates compatibility with Rust 2024 Edition and version 1.88+

사용 사례

Cleaning up complex iteration logic in while-let loops with conditional processing
Refactoring deeply nested database query results and profile unwrapping logic
Modernizing legacy Rust codebases to meet 2024 Edition style standards