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is _Just NothingFalse
Moduleoptics-core-0.4.1.1Haskell2010
Optics.Core.Extras
- 1 value
- Packageoptics-core-0.4.1.1
- Exports1
- LanguageHaskell2010
- LicenceBSD-3-Clause
- SourceExtras.hs
:: a typeCtrl KGHC 9.10.3 · lts/ghc-9.10.x · 248f8f0 · 2026-10-05
Moduleoptics-core-0.4.1.1Haskell2010
Check to see if this AffineFold matches.
is _Just NothingFalse