Safe Haskell	None
Language	Haskell2010

Game.LambdaHack.Core.Frequency

Contents

The Frequency type
Construction
Transformation
Consumption

Description

A list of entities with relative frequencies of appearance.

Synopsis

data Frequency a
uniformFreq :: Text -> [a] -> Frequency a
toFreq :: Text -> [(Int, a)] -> Frequency a
maxBoundInt32 :: Int
scaleFreq :: Show a => Int -> Frequency a -> Frequency a
nullFreq :: Frequency a -> Bool
runFrequency :: Frequency a -> [(Int, a)]
nameFrequency :: Frequency a -> Text

The `Frequency` type

data Frequency a Source #

The frequency distribution type. Not normalized (operations may or may not group the same elements and sum their frequencies). However, elements with less than zero frequency are removed upon construction.

The Eq instance compares raw representations, not relative, normalized frequencies, so operations don't need to preserve the expected equalities.

Instances

Instances details

Alternative Frequency Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

empty :: Frequency a #

(<|>) :: Frequency a -> Frequency a -> Frequency a #

some :: Frequency a -> Frequency [a] #

many :: Frequency a -> Frequency [a] #

Applicative Frequency Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

pure :: a -> Frequency a #

(<*>) :: Frequency (a -> b) -> Frequency a -> Frequency b #

liftA2 :: (a -> b -> c) -> Frequency a -> Frequency b -> Frequency c #

(*>) :: Frequency a -> Frequency b -> Frequency b #

(<*) :: Frequency a -> Frequency b -> Frequency a #

Functor Frequency Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

fmap :: (a -> b) -> Frequency a -> Frequency b #

(<$) :: a -> Frequency b -> Frequency a #

Monad Frequency Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

(>>=) :: Frequency a -> (a -> Frequency b) -> Frequency b #

(>>) :: Frequency a -> Frequency b -> Frequency b #

return :: a -> Frequency a #

MonadPlus Frequency Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

mzero :: Frequency a #

mplus :: Frequency a -> Frequency a -> Frequency a #

Foldable Frequency Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

fold :: Monoid m => Frequency m -> m #

foldMap :: Monoid m => (a -> m) -> Frequency a -> m #

foldMap' :: Monoid m => (a -> m) -> Frequency a -> m #

foldr :: (a -> b -> b) -> b -> Frequency a -> b #

foldr' :: (a -> b -> b) -> b -> Frequency a -> b #

foldl :: (b -> a -> b) -> b -> Frequency a -> b #

foldl' :: (b -> a -> b) -> b -> Frequency a -> b #

foldr1 :: (a -> a -> a) -> Frequency a -> a #

foldl1 :: (a -> a -> a) -> Frequency a -> a #

toList :: Frequency a -> [a] #

null :: Frequency a -> Bool #

length :: Frequency a -> Int #

elem :: Eq a => a -> Frequency a -> Bool #

maximum :: Ord a => Frequency a -> a #

minimum :: Ord a => Frequency a -> a #

sum :: Num a => Frequency a -> a #

product :: Num a => Frequency a -> a #

Traversable Frequency Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

traverse :: Applicative f => (a -> f b) -> Frequency a -> f (Frequency b) #

sequenceA :: Applicative f => Frequency (f a) -> f (Frequency a) #

mapM :: Monad m => (a -> m b) -> Frequency a -> m (Frequency b) #

sequence :: Monad m => Frequency (m a) -> m (Frequency a) #

Generic (Frequency a) Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Associated Types

type Rep (Frequency a)

Instance details

Defined in Game.LambdaHack.Core.Frequency

type Rep (Frequency a) = D1 ('MetaData "Frequency" "Game.LambdaHack.Core.Frequency" "LambdaHack-0.11.0.1-BLuOaw8nuizISmzkanqI8h" 'False) (C1 ('MetaCons "Frequency" 'PrefixI 'True) (S1 ('MetaSel ('Just "runFrequency") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 [(Int, a)]) :*: S1 ('MetaSel ('Just "nameFrequency") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 Text)))

Methods

from :: Frequency a -> Rep (Frequency a) x

to :: Rep (Frequency a) x -> Frequency a

Show a => Show (Frequency a) Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

showsPrec :: Int -> Frequency a -> ShowS #

show :: Frequency a -> String #

showList :: [Frequency a] -> ShowS #

Eq a => Eq (Frequency a) Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

(==) :: Frequency a -> Frequency a -> Bool #

(/=) :: Frequency a -> Frequency a -> Bool #

Ord a => Ord (Frequency a) Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

Methods

compare :: Frequency a -> Frequency a -> Ordering #

(<) :: Frequency a -> Frequency a -> Bool #

(<=) :: Frequency a -> Frequency a -> Bool #

(>) :: Frequency a -> Frequency a -> Bool #

(>=) :: Frequency a -> Frequency a -> Bool #

max :: Frequency a -> Frequency a -> Frequency a #

min :: Frequency a -> Frequency a -> Frequency a #

type Rep (Frequency a) Source #

Instance details

Defined in Game.LambdaHack.Core.Frequency

type Rep (Frequency a) = D1 ('MetaData "Frequency" "Game.LambdaHack.Core.Frequency" "LambdaHack-0.11.0.1-BLuOaw8nuizISmzkanqI8h" 'False) (C1 ('MetaCons "Frequency" 'PrefixI 'True) (S1 ('MetaSel ('Just "runFrequency") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 [(Int, a)]) :*: S1 ('MetaSel ('Just "nameFrequency") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 Text)))