Changelog

Source: NEWS.md

cnd (development version)

cnd 0.2.0

CRAN release: 2026-10-07

Breaking

• class names are now created as "pkg::condition" using :: instead of :

Features

• condition(class = ) is now deprecated; instead condition(name = ) should be use; name is now the first argument
• condition(classes = ) is added to include additional condition classes
• adds default conditions with optional dynamic condition messages; these are defaults without package = "cnd" #4
  • value_error(), value_warning()
  • class_error(), class_warning()
  • type_error(), type_warning()
  • input_error(), input_warning()
  • use_error(), use_warning() (i.e., /juːs/, not /juːz/)
  • duplicate_error(), duplicate_warning()
  • default_error()
  • deprecated_warning()
• cnd_document() no longer produces >80 character lines
• condition(name)(message) can be used to override default messages #22

Fixes

• cnd_document()’s links to cnd are corrected #25
• condition(message = ) now handles ... and other arguments correctly #23
• conditions("pkg::condition/type") now works #18

Internal

• documentation updates
• test restructure for internal, testing package

cnd 0.1.1

CRAN release: 2025-11-22

• cnd::condition_progenitor$message no longer has its environment reset #14
• test fix for testthat 3.3.0 #16 @hadley
• additional help information provided for conditions #5

cnd 0.1.0

CRAN release: 2025-02-26

• Initial release