Why does this skill advise against catching 'Exception'?

Catching the base Exception class is too broad and often hides genuine bugs; this skill teaches you to catch only the specific errors you expect, like ValueError or ArithmeticError.

What is the 'Catch Expected Errors' pattern?

It is a programming pattern where specific exceptions are treated as expected outcomes during exploration or search, allowing the program to skip invalid cases and continue processing the next candidate.

Does this pattern work for languages other than Python?

While the examples are in Python, the logic of handling expected failures in search loops or data parsing is a universal programming best practice.

When is it appropriate to use this pattern?

Use it when exploring many possibilities where some are known to fail naturally, such as trial-and-error solvers, type conversion cascades, or exploring invalid states in a search tree.

Catch Expected Errors Pattern

Name: Catch Expected Errors Pattern
Author: jimmc414

byjimmc414

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개발자 도구

Implements resilient exception-handling strategies for search algorithms and data processing by gracefully skipping expected errors.

This skill guides Claude in implementing the 'catch-expected-errors' pattern, a technique frequently used in algorithmic exploration and Peter Norvig's pytudes. It focuses on handling exceptions that are a natural part of an exploration process—such as division by zero during brute-force arithmetic or type conversion failures in a cascade—allowing the program to continue to the next candidate rather than crashing. By emphasizing specific exception types and idiomatic flow control, it helps developers write cleaner, more robust code for search spaces, data parsing, and version compatibility layers.

주요 기능

01Provides nested try-except structures for complex type conversion cascades

02Implements specific exception catching to avoid masking hidden bugs

03Optimizes brute-force solvers by skipping invalid mathematical states

04Facilitates robust search and exploration loops with continue/pass logic

051 GitHub stars

06Promotes idiomatic Python patterns for anticipated operational failures

사용 사례

01Brute-force solvers where certain permutations result in naturally occurring arithmetic errors

02Data parsing logic that requires cascading through multiple potential types (int, float, complex)

03Ensuring cross-version compatibility by catching ImportErrors for missing modules

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jimmc414/claude-code-plugin-marketplace catch-expected-errors

For use in Claude.ai and ChatGPT

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