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Within LTS Haskell 24.41 (ghc-9.10.3)
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lineInteract :: ([String] -> [String]) -> IO ()MissingH System.IO.Utils Line-based interaction. This is similar to wrapping your interact functions with lines and unlines. This equality holds:
lineInteract = hLineInteract stdin stdout
Here's an example:main = lineInteract (filter (startswith "1"))
This will act as a simple version of grep -- all lines that start with 1 will be displayed; all others will be ignored.optimizeForInteraction :: IO ()MissingH System.IO.Utils Sets stdin and stdout to be line-buffered. This saves resources on stdout, but not many on stdin, since it it still looking for newlines.
mkInteractiveModule :: String -> Moduleghc-lib-parser GHC.Builtin.Names No documentation available.
sfInteract :: BuiltInSynFamily -> [BuiltInFamInjectivity]ghc-lib-parser GHC.Builtin.Types.Literals No documentation available.
tryInteractInertFam :: BuiltInSynFamily -> TyCon -> [Type] -> [Type] -> [(CoAxiomRule, TypeEqn)]ghc-lib-parser GHC.Builtin.Types.Literals No documentation available.
tryInteractTopFam :: BuiltInSynFamily -> TyCon -> [Type] -> Type -> [(CoAxiomRule, TypeEqn)]ghc-lib-parser GHC.Builtin.Types.Literals No documentation available.
BIF_Interact :: FastString -> CoAxiomRule -> (TypeEqn -> Maybe TypeEqn) -> BuiltInFamInjectivityghc-lib-parser GHC.Core.Coercion.Axiom No documentation available.
sfInteract :: BuiltInSynFamily -> [BuiltInFamInjectivity]ghc-lib-parser GHC.Core.Coercion.Axiom No documentation available.
getInteractiveContext :: CoreM InteractiveContextghc-lib-parser GHC.Core.Opt.Monad No documentation available.
mkInteractiveHscEnv :: HscEnv -> HscEnvghc-lib-parser GHC.Driver.Env Switches in the DynFlags and Plugins from the InteractiveContext