Conferer.Config.Internal.Types

Core types for Config (here because of depedency cycles)

Documentation

data Config

This type acts as the entry point for most of the library, it's main purpouse is to expose a uniform interface into multiple configuration sources (such as env vars, cli args, and many others including use defined ones using the Source interface)

Constructors

Config

Fields

• configSources :: [Source]
• configDefaults :: Map Key Dynamic
• configKeyMappings :: [(Key, Key)]

Instances

Show Config

Defined in Conferer.Config.Internal.Types

Methods

showsPrec :: Int -> Config -> ShowS

show :: Config -> String

showList :: [Config] -> ShowS

data KeyLookupResult

Result of a key lookup in a Config

Constructors

MissingKey [Key]

FoundInSources Key Text

FoundInDefaults Key Dynamic

Instances

Show KeyLookupResult

Defined in Conferer.Config.Internal.Types

Methods

showsPrec :: Int -> KeyLookupResult -> ShowS

show :: KeyLookupResult -> String

showList :: [KeyLookupResult] -> ShowS

type SourceCreator = Config -> IO Source

The type for creating a source given a Config, some sources require a certain configuration to be initialized (for example: the redis source needs connection info to connect to the server)