AutoForms-0.5.0: GUI library based upon generic programming (SYB3) Contents Index

Graphics.UI.AF.General.CustomTypes

Description

Contain various types, which can be used in data types to get AutoForms specific behavior.

Synopsis

newtype AFFilePath = AFFilePath { filePath :: String } newtype AFDirectoryPath = AFDirectoryPath { directoryPath :: String } afOpenFile :: AFFilePath -> IOMode -> IO Handle

Documentation

newtype AFFilePath

Contains a file system pointer in form of a text string, just like FilePath. A new type were needed as FilePath is just a type synonym (for string). Otherwise, It would be impossible to behave in one way for strings and another for file paths. Constructors AFFilePath filePath :: String Instances Eq AFFilePath Read AFFilePath Show AFFilePath Typeable AFFilePath ECCreator AFFilePath (Data ctx String, Sat (ctx AFFilePath), Sat (ctx String)) => Data ctx AFFilePath AutoForm action comH builder satCxt com => TypePresentation AFFilePath action comH builder satCxt com

newtype AFDirectoryPath

AutoForms directory path -type. A new type is needed for the same reason it was needed for AFFilePath. Constructors AFDirectoryPath directoryPath :: String Instances Eq AFDirectoryPath Read AFDirectoryPath Show AFDirectoryPath Typeable AFDirectoryPath ECCreator AFDirectoryPath (Data ctx String, Sat (ctx AFDirectoryPath), Sat (ctx String)) => Data ctx AFDirectoryPath AutoForm action comH builder satCxt com => TypePresentation AFDirectoryPath action comH builder satCxt com

afOpenFile :: AFFilePath -> IOMode -> IO Handle

afOpenFil is the counterpart of IO.openFile, just using AFFilePath instead.

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