Safe Haskell	Safe-Inferred
Language	GHC2021

Telescope.Fits.Header

Synopsis

lookup :: Text -> Header -> Maybe Value
newtype Header = Header {
- _records :: [HeaderRecord]
}
data Value
- = Integer Int
- | Float Float
- | String Text
- | Logic LogicalConstant
keyword :: Text -> Value -> Maybe Text -> HeaderRecord
addComment :: Text -> KeywordRecord -> KeywordRecord

Documentation

lookup :: Text -> Header -> Maybe Value #

newtype Header #

The header part of the HDU is vital carrying not only authorship metadata, but also specifying how to make sense of the binary payload that starts 2,880 bytes after the start of the HeaderData.

Constructors

Header
Fields _records :: [HeaderRecord]

Instances

Instances details

Monoid Header
Instance details Defined in Data.Fits Methods mempty :: Header # mappend :: Header -> Header -> Header # mconcat :: [Header] -> Header #
Semigroup Header
Instance details Defined in Data.Fits Methods (<>) :: Header -> Header -> Header # sconcat :: NonEmpty Header -> Header # stimes :: Integral b => b -> Header -> Header #
Show Header
Instance details Defined in Data.Fits Methods showsPrec :: Int -> Header -> ShowS # show :: Header -> String # showList :: [Header] -> ShowS #
Eq Header
Instance details Defined in Data.Fits Methods (==) :: Header -> Header -> Bool # (/=) :: Header -> Header -> Bool #

data Value #

Value datatype for discriminating valid FITS KEYWORD=VALUE types in an HDU.

Constructors

Integer Int
Float Float
String Text
Logic LogicalConstant

Instances

Instances details

Show Value
Instance details Defined in Data.Fits Methods showsPrec :: Int -> Value -> ShowS # show :: Value -> String # showList :: [Value] -> ShowS #
Eq Value
Instance details Defined in Data.Fits Methods (==) :: Value -> Value -> Bool # (/=) :: Value -> Value -> Bool #

keyword :: Text -> Value -> Maybe Text -> HeaderRecord Source #

addComment :: Text -> KeywordRecord -> KeywordRecord Source #