fourmolu-0.18.0.0: data/examples/declaration/value/function/multiline-strings-7-out.hs
{-# LANGUAGE MultilineStrings #-}
printf
"""
instance Aeson.FromJSON %s where
parseJSON =
Aeson.withText "%s" $ \\s ->
either Aeson.parseFail pure $
parsePrinterOptType (Text.unpack s)
instance PrinterOptsFieldType %s where
parsePrinterOptType s =
case s of
%s
_ ->
Left . unlines $
[ "unknown value: " <> show s
, "Valid values are: %s"
]
"""
fieldTypeName
fieldTypeName
fieldTypeName
( unlines_
[ printf " \"%s\" -> Right %s" val con
| (con, val) <- enumOptions
]
)
(renderEnumOptions enumOptions)