Logging.Level

Documentation

newtype Level

Level also known as severity, a higher Level means a bigger Int.

There are 5 common severity levels:

DEBUG

Level 10

INFO

Level 20

WARN

Level 30

ERROR

Level 40

FATAL

Level 50

>>> :set -XOverloadedStrings
>>> "DEBUG" :: Level
DEBUG
>>> "DEBUG" == (Level 10)
True

Constructors

Level Int

Instances

Enum Level

Defined in Logging.Level

Methods

succ :: Level -> Level

pred :: Level -> Level

toEnum :: Int -> Level

fromEnum :: Level -> Int

enumFrom :: Level -> [Level]

enumFromThen :: Level -> Level -> [Level]

enumFromTo :: Level -> Level -> [Level]

enumFromThenTo :: Level -> Level -> Level -> [Level]

Eq Level

Defined in Logging.Level

Methods

(==) :: Level -> Level -> Bool

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

Ord Level

Defined in Logging.Level

Methods

compare :: Level -> Level -> Ordering

(<) :: Level -> Level -> Bool

(<=) :: Level -> Level -> Bool

(>) :: Level -> Level -> Bool

(>=) :: Level -> Level -> Bool

max :: Level -> Level -> Level

min :: Level -> Level -> Level

Read Level

Defined in Logging.Level

Methods

readsPrec :: Int -> ReadS Level

readList :: ReadS [Level]

readPrec :: ReadPrec Level

readListPrec :: ReadPrec [Level]

Show Level

Defined in Logging.Level

Methods

showsPrec :: Int -> Level -> ShowS

show :: Level -> String

showList :: [Level] -> ShowS

IsString Level

Defined in Logging.Level

Methods

fromString :: String -> Level

FromJSON Level

Defined in Logging.Level

Methods

parseJSON :: Value -> Parser Level

parseJSONList :: Value -> Parser [Level]

FormatArg Level

Defined in Logging.Level

Methods

formatArg :: Level -> Formatter

formatArgList :: [Level] -> Formatter

keyOf :: Level -> ArgKey

HasType Level SomeHandler

Defined in Logging.Class.Handler

Methods

typed :: Lens SomeHandler SomeHandler Level Level

getTyped :: SomeHandler -> Level

setTyped :: Level -> SomeHandler -> SomeHandler