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GHC 9.14.1 · lts/ghc-9.14.x · 6d5fdfd · 2026-10-12

Modulesyb-0.7.4Haskell98

Data.Generics.Builders

This module provides generic builder functions. These functions construct values of a given type.

Synopsis
  • Packagesyb-0.7.4
  • Exports2
  • LanguageHaskell98
  • LicenceBSD-3-Clause
  • SourceBuilders.hs
valueempty :: Data a => a

Construct the empty value for a datatype. For algebraic datatypes, the leftmost constructor is chosen.

valueconstrs :: Data a => [a]

Return a list of values of a datatype. Each value is one of the possible constructors of the datatype, populated with empty values.