base - Data.Maybe  

The catMaybes function takes a list of Maybes and returns a list of all the Just values.

conduit - Data.Conduit.List  

Filter the Just values from a stream, discarding the Nothing values.

Since 0.5.1

haskell98 - Maybe  

The catMaybes function takes a list of Maybes and returns a list of all the Just values.

HaXml - Text.XML.HaXml.XmlContent.Parser  

The catMaybes function takes a list of Maybes and returns a list of all the Just values.

catMaybes :: T time (Maybe body) -> T time body

event-list - Data.EventList.Relative.TimeTime  

Adds times in a left-associative fashion. Use this if the time is a strict data type.

catMaybes :: T time (Maybe body) -> T time body

event-list - Data.EventList.Relative.TimeBody  

Adds times in a left-associative fashion. Use this if the time is a strict data type.

basic-prelude - CorePrelude  

The catMaybes function takes a list of Maybes and returns a list of all the Just values.

haskell2010 - Data.Maybe  

The catMaybes function takes a list of Maybes and returns a list of all the Just values.

catMaybesR :: T time (Maybe body) -> T time body

event-list - Data.EventList.Relative.TimeTime  

Adds times in a right-associative fashion. Use this if the time is a data type like lazy Peano numbers or Numeric.NonNegative.Chunky.

catMaybes :: DSignal era (Maybe val) -> DSignal era val

grapefruit-frp - FRP.Grapefruit.Signal.Discrete  

Converts all occurences with values of the form Just val into occurences with value val and drops all occurences with value Nothing.

hx - Haskell.X.Prelude  

The catMaybes function takes a list of Maybes and returns a list of all the Just values.