SRFI 282: Missing R7RS (Type) Predicates

by Artyom Bologov

status: draft (2026-09-15)

keywords: Miscellaneous

• The SRFI Document
• Discussion Archive
• Git repo (on GitHub)
• srfi-282@nospamsrfi.schemers.org (subscribers only)
• Subscribe to srfi-282 mailing list

  daily digest?

• Unsubscribe from srfi-282 mailing list

Abstract

Types and entities deserve predicates so that their user can meaningfully understand what they are dealing with, and usefully dispatch on them in their code. However, some R⁷RS “types” have no respective predicates. This SRFI defines them.