W3cubDocs

/Haskell 8

Text.PrettyPrint.HughesPJClass

Copyright (c) Lennart Augustsson 2014
License BSD-style (see the file LICENSE)
Maintainer David Terei <[email protected]>
Stability stable
Portability portable
Safe Haskell Safe
Language Haskell98

Contents

Description

Pretty printing class, simlar to Show but nicer looking.

Note that the precedence level is a Rational so there is an unlimited number of levels. This module re-exports HughesPJ.

Pretty typeclass

class Pretty a where Source

Pretty printing class. The precedence level is used in a similar way as in the Show class. Minimal complete definition is either pPrintPrec or pPrint.

Minimal complete definition

pPrintPrec | pPrint

Methods

pPrintPrec :: PrettyLevel -> Rational -> a -> Doc Source

pPrint :: a -> Doc Source

pPrintList :: PrettyLevel -> [a] -> Doc Source

Instances
Pretty Bool
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Pretty Char
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Pretty Double
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Pretty Float
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Pretty Int
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Pretty Integer
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Pretty Ordering
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Pretty ()
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Methods

pPrintPrec :: PrettyLevel -> Rational -> () -> Doc Source

pPrint :: () -> Doc Source

pPrintList :: PrettyLevel -> [()] -> Doc Source

Pretty a => Pretty [a]
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Defined in Text.PrettyPrint.HughesPJClass

Methods

pPrintPrec :: PrettyLevel -> Rational -> [a] -> Doc Source

pPrint :: [a] -> Doc Source

pPrintList :: PrettyLevel -> [[a]] -> Doc Source

Pretty a => Pretty (Maybe a)
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(Pretty a, Pretty b) => Pretty (Either a b)
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(Pretty a, Pretty b) => Pretty (a, b)
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Methods

pPrintPrec :: PrettyLevel -> Rational -> (a, b) -> Doc Source

pPrint :: (a, b) -> Doc Source

pPrintList :: PrettyLevel -> [(a, b)] -> Doc Source

(Pretty a, Pretty b, Pretty c) => Pretty (a, b, c)
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Defined in Text.PrettyPrint.HughesPJClass

Methods

pPrintPrec :: PrettyLevel -> Rational -> (a, b, c) -> Doc Source

pPrint :: (a, b, c) -> Doc Source

pPrintList :: PrettyLevel -> [(a, b, c)] -> Doc Source

(Pretty a, Pretty b, Pretty c, Pretty d) => Pretty (a, b, c, d)
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Defined in Text.PrettyPrint.HughesPJClass

Methods

pPrintPrec :: PrettyLevel -> Rational -> (a, b, c, d) -> Doc Source

pPrint :: (a, b, c, d) -> Doc Source

pPrintList :: PrettyLevel -> [(a, b, c, d)] -> Doc Source

(Pretty a, Pretty b, Pretty c, Pretty d, Pretty e) => Pretty (a, b, c, d, e)
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Defined in Text.PrettyPrint.HughesPJClass

Methods

pPrintPrec :: PrettyLevel -> Rational -> (a, b, c, d, e) -> Doc Source

pPrint :: (a, b, c, d, e) -> Doc Source

pPrintList :: PrettyLevel -> [(a, b, c, d, e)] -> Doc Source

(Pretty a, Pretty b, Pretty c, Pretty d, Pretty e, Pretty f) => Pretty (a, b, c, d, e, f)
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Defined in Text.PrettyPrint.HughesPJClass

Methods

pPrintPrec :: PrettyLevel -> Rational -> (a, b, c, d, e, f) -> Doc Source

pPrint :: (a, b, c, d, e, f) -> Doc Source

pPrintList :: PrettyLevel -> [(a, b, c, d, e, f)] -> Doc Source

(Pretty a, Pretty b, Pretty c, Pretty d, Pretty e, Pretty f, Pretty g) => Pretty (a, b, c, d, e, f, g)
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Defined in Text.PrettyPrint.HughesPJClass

Methods

pPrintPrec :: PrettyLevel -> Rational -> (a, b, c, d, e, f, g) -> Doc Source

pPrint :: (a, b, c, d, e, f, g) -> Doc Source

pPrintList :: PrettyLevel -> [(a, b, c, d, e, f, g)] -> Doc Source

(Pretty a, Pretty b, Pretty c, Pretty d, Pretty e, Pretty f, Pretty g, Pretty h) => Pretty (a, b, c, d, e, f, g, h)
Instance details

Defined in Text.PrettyPrint.HughesPJClass

Methods

pPrintPrec :: PrettyLevel -> Rational -> (a, b, c, d, e, f, g, h) -> Doc Source

pPrint :: (a, b, c, d, e, f, g, h) -> Doc Source

pPrintList :: PrettyLevel -> [(a, b, c, d, e, f, g, h)] -> Doc Source

newtype PrettyLevel Source

Level of detail in the pretty printed output. Level 0 is the least detail.

Constructors

PrettyLevel Int

prettyNormal :: PrettyLevel Source

The "normal" (Level 0) of detail.

prettyShow :: Pretty a => a -> String Source

Pretty print a value with the prettyNormal level.

prettyParen :: Bool -> Doc -> Doc Source

Deprecated: Please use maybeParens instead

Parenthesize an value if the boolean is true.

module Text.PrettyPrint.HughesPJ

© The University of Glasgow and others
Licensed under a BSD-style license (see top of the page).
https://downloads.haskell.org/~ghc/8.6.1/docs/html/libraries/pretty-1.1.3.6/Text-PrettyPrint-HughesPJClass.html