Data.PPrint

Prettyprint and compare Data values.

Documentation

pprint :: Data a => a -> IO Doc

Prettyprint a Data value.

There is a 1 second time limit and the output contains at most approximately 500 characters.

The exceptions are shown as bottom signs followed by explanations.

pprintTo :: Data a => Int -> a -> IO Doc

Prettyprint a Data value, showing up to approximately the specified number of characters. Use this to show more than the default pprint allows.

(===) :: Data a => a -> a -> IO Doc infix 0

Compare two Data values.

The can be yes, no or maybe. The differences are highlighted.

There is a 1 second time limit and the output contains at most approximately 500 characters.

The exceptions are shown as bottom signs followed by explanations.