Safe Haskell	None
Language	Haskell2010

Web.Data.Yahoo.Response

Contents

Orphan instances

Description

A set of data types corresponding to records returned from Yahoo API. Note that this is a subject to modifications whenever the remote API changes on Yahoo side.

Synopsis

data PriceResponse = PriceResponse {
- date :: Day
- open :: Double
- high :: Double
- low :: Double
- close :: Double
- adjClose :: Double
- volume :: Double
}
tryParse :: FromNamedRecord a => ByteString -> Either String [a]
tryParseAsPrice :: ByteString -> Either String [PriceResponse]

Documentation

data PriceResponse Source #

A type representing market price data returned by Yahoo.

Constructors

PriceResponse
Fields date :: Day open :: Double high :: Double low :: Double close :: Double adjClose :: Double volume :: Double

Instances

Instances details

Eq PriceResponse Source #
Instance details Defined in Web.Data.Yahoo.Response Methods (==) :: PriceResponse -> PriceResponse -> Bool # (/=) :: PriceResponse -> PriceResponse -> Bool #
Show PriceResponse Source #
Instance details Defined in Web.Data.Yahoo.Response Methods showsPrec :: Int -> PriceResponse -> ShowS # show :: PriceResponse -> String # showList :: [PriceResponse] -> ShowS #
FromNamedRecord PriceResponse Source #
Instance details Defined in Web.Data.Yahoo.Response Methods parseNamedRecord :: NamedRecord -> Parser PriceResponse #

tryParse :: FromNamedRecord a => ByteString -> Either String [a] Source #

An auxiliary function that attempts to parse a string provided and interpret it as a CSV set of values of type a.

tryParseAsPrice :: ByteString -> Either String [PriceResponse] Source #

A specialized version of tryParse dedicated to parsing PriceResponse records

Orphan instances

FromField Day Source #
Instance details Methods parseField :: Field -> Parser Day #