Copyright	(c) 2015, Peter Trško
License	BSD3
Maintainer	peter.trsko@gmail.com
Stability	experimental
Portability	BangPatterns (optional), CPP, NoImplicitPrelude, DeriveDataTypeable (optional), DeriveGeneric (optional)
Safe Haskell	Safe
Language	Haskell2010

Data.Verbosity

Description

Simple enum that encodes application Verbosity.

Synopsis

Documentation

Ordering:

Silent < Normal < Verbose < Annoying

Bounds:

minBound = Silent; maxBound = Annoying

Enum:

map fromEnum [Silent .. Annoying] = [0, 1, 2, 3]

Constructors

Silent	Don't print any messages.
Normal	Print only important messages. (default)
Verbose	Print anything that comes in to mind.
Annoying	Print debugging/tracing information.

Instances

Bounded Verbosity Source
Enum Verbosity Source
Eq Verbosity Source
Data Verbosity Source
Ord Verbosity Source
Read Verbosity Source
Show Verbosity Source
Generic Verbosity Source
Binary Verbosity Source	Encoded as one byte in range `[minBound .. maxBound :: Verbosity]`.
Default Verbosity Source	`def` = `Normal`
NFData Verbosity Source
HasVerbosity Verbosity Source
type Rep Verbosity Source

Safe version of toEnum specialized to Verbosity.

parse :: (Eq string, IsString string) => string -> Maybe Verbosity Source

Generic Verbosity parsing function.

Use case-insensitive package to make this function case insensitive:

ghci> import Data.Verbosity as Verbosity
ghci> import qualified Data.CaseInsensitive as CI (mk)
ghci> Verbosity.parse (CI.mk "silent")
Just Silent