when package:LambdaHack

when :: Applicative f => Bool -> f () -> f ()
LambdaHack Game.LambdaHack.Core.Prelude
Conditional execution of Applicative expressions. For example, 
when debug (putStrLn "Debugging")
will output the string Debugging if the Boolean value debug is True, and otherwise do nothing.
When :: Condition -> Effect -> Effect
LambdaHack Game.LambdaHack.Content.ItemKind
if condition not met, fail without a message; better avoided, since AI can't value it well
effectWhen :: forall m . MonadServerAtomic m => (Effect -> m UseResult) -> ActorId -> Condition -> Effect -> ActivationFlag -> m UseResult
LambdaHack Game.LambdaHack.Server.HandleEffectM