Exceptions, Errors, and Conditions

Introduction

Nearly all Scheme implementations provide some notion of error handling, and ticket #18 addresses the question of whether we should standardize one. This page is meant to serve as an index for proposals as well as summaries of existing systems.

Proposals

• ExceptionHandlingCowan

References

• ExceptionTaxonomies
• ErrorSituations

System Summaries

•  R6RS Exceptions and Conditions
•  SRFI-12 Exception Handling (withdrawn)
•  SRFI-18 Threading (includes exceptions)
•  SRFI-34 Exception Handling (used in Scheme48)
•  Chez Scheme 7 Exceptions
•  PLT Scheme Errors and Conditions
•  MIT Scheme Error System (conditions, errors, and restarts)