Leo*_*ang 0 monads haskell functional-programming
是否存在以下功能的实现？我在hoogle上找不到它
findM :: Monad m => (a -> m Bool) -> [a] -> m (Maybe a)
小智 5
是.从包"extra",模块Control.Monad.Extra
https://hackage.haskell.org/package/extra-1.6/docs/Control-Monad-Extra.html#v:findM