Popularity
4.9
Declining
Activity
0.0
Stable
9
3
2
Monthly Downloads: 3
Programming language: Haskell
License: MIT License
Tags:
Text
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README
generic-pretty
Pretty printing for Generic data
Usage
Define your data types and derives Generic.
Then you can make instances for pretty printing automatically.
data Foo = Foo { fooA :: Int, fooB :: String } deriving Generic
instance Pretty Foo
data Bar a = Bar { barA :: Foo, barB :: a } deriving Generic
instance Pretty a => Pretty (Bar a)
Now, you can pretty print your value.
> prettyPrint $ Foo 123 "foo"
Foo { fooA = 123, fooB = "foo" }
> prettyPrint $ Bar (Foo 123 "foo") (Just True)
Bar { barA = Foo { fooA = 123
, fooB = "foo" }
, barB = Just True }
By default, generic-pretty prints highlighted values.
If you do not want this behavior, you can use plain version of pretty printer.
