0.1.5 (12 March 2022)

• Syntax errors in function definitions now result in much more helpful error messages. Before, it would just complain about something being wrong with the '=' sign. (#346)

0.1.4 (10 March 2022)

• New features or syntax

  • if and when are now synonyms

• Bug fixes

  • Only allow constructing sets and bags with element types that can be compared (#306)

• UI

  • Test results are now printed in the same order in which they were declared

0.1.3.1 (5 March 2022)

• Fix #340: disco no longer crashes when encountering an undefined name at runtime, but prints a nice error message instead.

0.1.3.0 (3 March 2022)

• New features or syntax

  • ∈ now works as a synonym for elem
  • add → and ↔ as synonyms for ->, <->

• Additional documentation for |~|, power

• UI

  • --help, --version, and the welcome message now all report the current version number
  • Typechecking errors now report the name of the thing being typechecked when the failure occurred
  • The values of top-level expressions are now printed when :loading

0.1.2.0 (12 February 2022)

• New features or syntax

  • Add String type synonym
  • New iff / <-> operator
  • New Cartesian product operator ><
  • |~| notation now denotes container size in addition to absolute value

• Documentation

  • :doc command now works on many more things
  • A lot of additional documentation and some improved error messages

• A few small bug fixes related to parsing

0.1.1.0 (21 January 2022)

• ->, /\, \/ syntax for implies, and, or
• truthtable.disco example
• Coinductively check user-defined types for qualifiers (#317)
• Additional documentation

0.1.0.0 (17 January 2022): initial release