Control.Monad.Reader
MonadReader class
class
MonadReader
m
asks
The Reader monad
type
Reader
r
runReader
mapReader
withReader
The ReaderT monad transformer
data
ReaderT
r m a
mapReaderT
withReaderT
Example 1: Simple Reader Usage
Example 2: Modifying Reader Content With
local
Example 3:
ReaderT
Monad Transformer