Headroom.Data.Has

This module provides Has type class, adapted to the needs of this application.

Documentation

class Has a t where

Implementation of the Has type class pattern.

Minimal complete definition

getter, modifier | hasLens

Methods

getter :: t -> a

modifier :: (a -> a) -> t -> t

hasLens :: Lens' t a

viewL :: MonadReader t m => m a

Instances

Has CurrentYear ConfiguredEnv

Defined in Headroom.HeaderFn

Methods

getter :: ConfiguredEnv -> CurrentYear

modifier :: (CurrentYear -> CurrentYear) -> ConfiguredEnv -> ConfiguredEnv

hasLens :: Lens' ConfiguredEnv CurrentYear

viewL :: MonadReader ConfiguredEnv m => m CurrentYear

Has UpdateCopyrightMode ConfiguredEnv

Defined in Headroom.HeaderFn

Methods

getter :: ConfiguredEnv -> UpdateCopyrightMode

modifier :: (UpdateCopyrightMode -> UpdateCopyrightMode) -> ConfiguredEnv -> ConfiguredEnv

hasLens :: Lens' ConfiguredEnv UpdateCopyrightMode

viewL :: MonadReader ConfiguredEnv m => m UpdateCopyrightMode

Has CommandInitOptions Env

Defined in Headroom.Command.Init

Methods

getter :: Env -> CommandInitOptions

modifier :: (CommandInitOptions -> CommandInitOptions) -> Env -> Env

hasLens :: Lens' Env CommandInitOptions

viewL :: MonadReader Env m => m CommandInitOptions

Has Paths Env

Defined in Headroom.Command.Init

Methods

getter :: Env -> Paths

modifier :: (Paths -> Paths) -> Env -> Env

hasLens :: Lens' Env Paths

viewL :: MonadReader Env m => m Paths