The value to use in the first parsing phase when the AST for the command line is being built.
The value to use in the first parsing phase when the AST for the command line is being built. This value is never used by the application (only used internally), but has to be specified explicitly by the implementor for each type.
Parse String into type T.
(Since version ) see corresponding Javadoc for more information.
Type class that provides the functionality to parse a command line argument of type String into a value of type T.