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GHC 10.0.0.20260917 · lts/ghc-10.0.x · 8fef28d · 2026-11-02

OptionalStanza

datadata OptionalStanza
#
Instances10Bounded, Enum, Eq, Ord, Show, Generic, …

Set of stanzas

newtypenewtype OptionalStanzaSet
#
Instances7Eq, Ord, Show, Semigroup, Monoid, Binary, …

Map indexed by stanzas

datadata OptionalStanzaMap a

Note: this is total map.

Instances7Eq, Ord, Show, Generic, Binary, Structured, …