Data.Tabular

Deprecated: This module will be replaced in a future release.

Formatting and parsing data in tabular format.

Types

newtype Rows

Rows of data.

Constructors

Rows

Fields

• unRows :: [Row]

Instances

Eq Rows

Methods

(==) :: Rows -> Rows -> Bool

(/=) :: Rows -> Rows -> Bool

Read Rows

Methods

readsPrec :: Int -> ReadS Rows

readList :: ReadS [Rows]

readPrec :: ReadPrec Rows

readListPrec :: ReadPrec [Rows]

Show Rows

Methods

showsPrec :: Int -> Rows -> ShowS

show :: Rows -> String

showList :: [Rows] -> ShowS

newtype Row

A row of data.

Constructors

Row

Fields

• unRow :: [String]

Instances

Eq Row

Methods

(==) :: Row -> Row -> Bool

(/=) :: Row -> Row -> Bool

Read Row

Methods

readsPrec :: Int -> ReadS Row

readList :: ReadS [Row]

readPrec :: ReadPrec Row

readListPrec :: ReadPrec [Row]

Show Row

Methods

showsPrec :: Int -> Row -> ShowS

show :: Row -> String

showList :: [Row] -> ShowS

class Cell a where

Class for formatting and parsing cells in a table.

Minimal complete definition

toCell, fromCell

Methods

toCell :: a -> String

Encode a data cell.

fromCell :: String -> a

Decode a data cell.

Instances

(Read a, Show a) => Cell a

Methods

toCell :: a -> String

fromCell :: String -> a

class Tabular a where

Class for data in tabular format.

Minimal complete definition

toRow, fromRow

Methods

toRow :: a -> Row

Encode a row of data.

fromRow :: Row -> a

Decode a row of data.

withHeader :: [a] -> Rows

Encode rows, prefixing with header.

checkHeader :: Rows -> [a]

Decode rows, stripping a prefixed header.

Instances

(Cell a, Monad ((->) [[a]])) => Tabular [a]

Methods

toRow :: [a] -> Row

fromRow :: Row -> [a]

withHeader :: [[a]] -> Rows

checkHeader :: Rows -> [[a]]

(Cell a, Cell b) => Tabular (a, b)

Methods

toRow :: (a, b) -> Row

fromRow :: Row -> (a, b)

withHeader :: [(a, b)] -> Rows

checkHeader :: Rows -> [(a, b)]

(Cell a, Cell b, Cell c) => Tabular (a, b, c)

Methods

toRow :: (a, b, c) -> Row

fromRow :: Row -> (a, b, c)

withHeader :: [(a, b, c)] -> Rows

checkHeader :: Rows -> [(a, b, c)]

(Cell a, Cell b, Cell c, Cell d) => Tabular (a, b, c, d)

Methods

toRow :: (a, b, c, d) -> Row

fromRow :: Row -> (a, b, c, d)

withHeader :: [(a, b, c, d)] -> Rows

checkHeader :: Rows -> [(a, b, c, d)]

Input/Output Functions

readTabular

Arguments

:: Tabular a

=> FilePath

The filename.

-> IO [a]

Action to read the data.

Read tabular data.

writeTabular

Arguments

:: Tabular a

=> FilePath

The filename.

-> [a]

The data.

-> IO ()

The action to write the data.

Write tabular data.