BishBosh.UI.Command

AUTHOR

Dr. Alistair Ward

DESCRIPTION

Defines the commands a user can issue.

Types

Data-types

data Command

The sum-type of commands that a user may issue.

Constructors

Hint

Request a move-suggestion.

Print PrintObject

Print the requested static data.

Quit

Terminate this application.

Report ReportObject

Report on the requested dynamic data.

Resign

Admit defeat.

Restart

Abandon the current game, & start afresh.

RollBack (Maybe NPlies)

Roll-back the optionally specified number of plies.

Save

Persist the current game-state.

Set SetObject

I.E. mutate something.

Swap

Swap options between the two sides; which causes the players to swap sides.

Instances

Eq Command

Defined in BishBosh.UI.Command

Methods

(==) :: Command -> Command -> Bool

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

Show Command

Defined in BishBosh.UI.Command

Methods

showsPrec :: Int -> Command -> ShowS

show :: Command -> String

showList :: [Command] -> ShowS

NFData Command

Defined in BishBosh.UI.Command

Methods

rnf :: Command -> ()

Constants

printTag :: String

Input-format.

setTag :: String

Input-format.

usageMessage :: String

A message defining the syntax of the available commands.

Functions

readsCommand :: String -> Either String (Command, String)

Reads a command.

showsCommand :: Command -> ShowS

Shows a command.

issueCommand :: Command -> ShowS

Show the specified command in the format required by this application's parser.

autoComplete :: ShowS

Replace the first word of the specified string with the name of a command of which it is an unambiguous case-insensitive prefix.