Squeeze.Data.CommandOptions

AUTHOR

Dr. Alistair Ward

DESCRIPTION

• Defines options for program-operation.
• Defines an appropriate default value, which is expected to be over-ridden on the command-line.
• Self-validates.

Types

Data-types

data CommandOptions ratio

Declares a record to contain command-line options.

Instances

Eq ratio => Eq (CommandOptions ratio)

Defined in Squeeze.Data.CommandOptions

Methods

(==) :: CommandOptions ratio -> CommandOptions ratio -> Bool

(/=) :: CommandOptions ratio -> CommandOptions ratio -> Bool

Show ratio => Show (CommandOptions ratio)

Defined in Squeeze.Data.CommandOptions

Methods

showsPrec :: Int -> CommandOptions ratio -> ShowS

show :: CommandOptions ratio -> String

showList :: [CommandOptions ratio] -> ShowS

Fractional f => Default (CommandOptions f)

Defined in Squeeze.Data.CommandOptions

Methods

def :: CommandOptions f

Real ratio => SelfValidator (CommandOptions ratio)

Defined in Squeeze.Data.CommandOptions

Methods

getErrors :: CommandOptions ratio -> [String]

isValid :: CommandOptions ratio -> Bool

Functions

solutionSizeBounds :: RealFrac f => CommandOptions f -> Interval FileSize

The bounds on the aggregate size of the set of files.

deriveMinimumBytes :: RealFrac ratio => CommandOptions ratio -> FileSize

Derives the minimum number of bytes, from other options.

subtractFile :: RealFrac ratio => FileSize -> CommandOptions ratio -> CommandOptions ratio

Reduce the requirements by the specified file-size.

Constructor

mkCommandOptions :: Real ratio => Bool -> FileSize -> Maybe Int -> ratio -> Verbosity -> CommandOptions ratio

Smart constructor.