# Error Handling
## CS Concepts — The Codex Coding
**URL:** https://thecodex.expert/coding/concepts/error-handling/
**Type:** concept | **Confidence:** high | **Last verified:** 2026-06-01

## CANONICAL DEFINITION
Error handling is the set of mechanisms a programming language provides for detecting, signalling, and responding to conditions that prevent normal program execution — including exceptions and try/catch/finally blocks, explicit error return values, Result and Option types, and checked vs. unchecked error models.

## REQUIRES
concepts/control-flow, concepts/functions

## ENABLES
concepts/modules, languages/python, languages/rust, languages/go

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