optparse-applicative v0.13.0.0 Release Notes
Release Date: 2016-08-15 // over 7 years ago-
Implement command groups, which allow subcommands to have their own usage description.
Implement showHelpOnEmpty, which is similar to showHelpOnError, but only fires when a command or subcommand is begun, and suppresses the "Missing:" error text.
🛠 Fix ghc 8.0 warnings.
🛠 Fix ghc 7.10 warnings.
⬆️ Bump dependency bounds.
➕ Add maybeReader function for convenient ReadM creation.
🚚 Move eitherReader to Readers section (for better discoverability).
🛠 Fix hsubparser metavar override.
✂ Remove ComplError, which was dead code.
📜 Reimplement Missing error generation, which overly complicated evalParser.
🚚 Export Semigroup instances for types which are also Monoids. Removes mempty synonym
(<>)export, as it clashes with Semigroup exports. One may need to import Data.Monoid or Data.Semigroup when upgrading.✅ Use a Cabal test suite for tests, simplify test dependencies.