Safe Haskell	Safe
Language	Haskell2010

Colog.Core.Severity

Description

This module introduces Severity data type for expressing how severe the message is. Also, it contains useful functions for work with Severity.

Synopsis

data Severity
- = Debug
- | Info
- | Warning
- | Error
pattern D :: Severity
pattern I :: Severity
pattern W :: Severity
pattern E :: Severity
filterBySeverity :: Applicative m => Severity -> (a -> Severity) -> LogAction m a -> LogAction m a

Documentation

data Severity Source #

Severity for the log messages.

Constructors

Debug	Information useful for debug purposes. E.g. output of the function that is important for the internal development, not for users. Like, the result of SQL query.
Info	Normal operational information. E.g. describing general steps: starting application, finished downloading.
Warning	General warnings, non-critical failures. E.g. couldn't download icon from some service to display.
Error	General errors/severe errors. E.g. exceptional situations: couldn't syncronize accounts.

Instances

Bounded Severity Source #
Instance details Defined in Colog.Core.Severity Methods minBound :: Severity # maxBound :: Severity #
Enum Severity Source #
Instance details Defined in Colog.Core.Severity Methods succ :: Severity -> Severity # pred :: Severity -> Severity # toEnum :: Int -> Severity # fromEnum :: Severity -> Int # enumFrom :: Severity -> [Severity] # enumFromThen :: Severity -> Severity -> [Severity] # enumFromTo :: Severity -> Severity -> [Severity] # enumFromThenTo :: Severity -> Severity -> Severity -> [Severity] #
Eq Severity Source #
Instance details Defined in Colog.Core.Severity Methods (==) :: Severity -> Severity -> Bool # (/=) :: Severity -> Severity -> Bool #
Ord Severity Source #
Instance details Defined in Colog.Core.Severity Methods compare :: Severity -> Severity -> Ordering # (<) :: Severity -> Severity -> Bool # (<=) :: Severity -> Severity -> Bool # (>) :: Severity -> Severity -> Bool # (>=) :: Severity -> Severity -> Bool # max :: Severity -> Severity -> Severity # min :: Severity -> Severity -> Severity #
Read Severity Source #
Instance details Defined in Colog.Core.Severity Methods readsPrec :: Int -> ReadS Severity # readList :: ReadS [Severity] # readPrec :: ReadPrec Severity # readListPrec :: ReadPrec [Severity] #
Show Severity Source #
Instance details Defined in Colog.Core.Severity Methods showsPrec :: Int -> Severity -> ShowS # show :: Severity -> String # showList :: [Severity] -> ShowS #
Ix Severity Source #
Instance details Defined in Colog.Core.Severity Methods range :: (Severity, Severity) -> [Severity] # index :: (Severity, Severity) -> Severity -> Int # unsafeIndex :: (Severity, Severity) -> Severity -> Int inRange :: (Severity, Severity) -> Severity -> Bool # rangeSize :: (Severity, Severity) -> Int # unsafeRangeSize :: (Severity, Severity) -> Int

pattern D :: Severity Source #

pattern I :: Severity Source #

pattern W :: Severity Source #

pattern E :: Severity Source #

filterBySeverity :: Applicative m => Severity -> (a -> Severity) -> LogAction m a -> LogAction m a Source #

Filters messages by given Severity.