Applicative

org.specs2.fp.Applicative
See theApplicative companion object
trait Applicative[F[_]] extends Functor[F]

Inspired from the scalaz (https://github.com/scalaz/scalaz) project

Attributes

Companion
object
Graph
Supertypes
trait Functor[F]
class Object
trait Matchable
class Any
Known subtypes
trait Monad[F]
Self type

Members list

Value members

Abstract methods

def ap[A, B](fa: => F[A])(f: => F[A => B]): F[B]
def point[A](a: => A): F[A]

Concrete methods

def ap2[A, B, C](fa: => F[A], fb: => F[B])(f: F[(A, B) => C]): F[C]
def ap3[A, B, C, D](fa: => F[A], fb: => F[B], fc: => F[C])(f: F[(A, B, C) => D]): F[D]
def ap4[A, B, C, D, E](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D])(f: F[(A, B, C, D) => E]): F[E]
def ap5[A, B, C, D, E, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E])(f: F[(A, B, C, D, E) => R]): F[R]
def ap6[A, B, C, D, E, FF, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF])(f: F[(A, B, C, D, E, FF) => R]): F[R]
def ap7[A, B, C, D, E, FF, G, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G])(f: F[(A, B, C, D, E, FF, G) => R]): F[R]
def ap8[A, B, C, D, E, FF, G, H, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G], fh: => F[H])(f: F[(A, B, C, D, E, FF, G, H) => R]): F[R]
def apply10[A, B, C, D, E, FF, G, H, I, J, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G], fh: => F[H], fi: => F[I], fj: => F[J])(f: (A, B, C, D, E, FF, G, H, I, J) => R): F[R]
def apply11[A, B, C, D, E, FF, G, H, I, J, K, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G], fh: => F[H], fi: => F[I], fj: => F[J], fk: => F[K])(f: (A, B, C, D, E, FF, G, H, I, J, K) => R): F[R]
def apply12[A, B, C, D, E, FF, G, H, I, J, K, L, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G], fh: => F[H], fi: => F[I], fj: => F[J], fk: => F[K], fl: => F[L])(f: (A, B, C, D, E, FF, G, H, I, J, K, L) => R): F[R]
def apply2[A, B, C](fa: => F[A], fb: => F[B])(f: (A, B) => C): F[C]
def apply3[A, B, C, D](fa: => F[A], fb: => F[B], fc: => F[C])(f: (A, B, C) => D): F[D]
def apply4[A, B, C, D, E](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D])(f: (A, B, C, D) => E): F[E]
def apply5[A, B, C, D, E, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E])(f: (A, B, C, D, E) => R): F[R]
def apply6[A, B, C, D, E, FF, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF])(f: (A, B, C, D, E, FF) => R): F[R]
def apply7[A, B, C, D, E, FF, G, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G])(f: (A, B, C, D, E, FF, G) => R): F[R]
def apply8[A, B, C, D, E, FF, G, H, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G], fh: => F[H])(f: (A, B, C, D, E, FF, G, H) => R): F[R]
def apply9[A, B, C, D, E, FF, G, H, I, R](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E], ff: => F[FF], fg: => F[G], fh: => F[H], fi: => F[I])(f: (A, B, C, D, E, FF, G, H, I) => R): F[R]
def filterM[A](l: List[A])(f: A => F[Boolean]): F[List[A]]

Filter l according to an applicative predicate.

Filter l according to an applicative predicate.

Attributes

def lift10[A, B, C, D, E, FF, G, H, I, J, R](f: (A, B, C, D, E, FF, G, H, I, J) => R): (F[A], F[B], F[C], F[D], F[E], F[FF], F[G], F[H], F[I], F[J]) => F[R]
def lift11[A, B, C, D, E, FF, G, H, I, J, K, R](f: (A, B, C, D, E, FF, G, H, I, J, K) => R): (F[A], F[B], F[C], F[D], F[E], F[FF], F[G], F[H], F[I], F[J], F[K]) => F[R]
def lift12[A, B, C, D, E, FF, G, H, I, J, K, L, R](f: (A, B, C, D, E, FF, G, H, I, J, K, L) => R): (F[A], F[B], F[C], F[D], F[E], F[FF], F[G], F[H], F[I], F[J], F[K], F[L]) => F[R]
def lift2[A, B, C](f: (A, B) => C): (F[A], F[B]) => F[C]
def lift3[A, B, C, D](f: (A, B, C) => D): (F[A], F[B], F[C]) => F[D]
def lift4[A, B, C, D, E](f: (A, B, C, D) => E): (F[A], F[B], F[C], F[D]) => F[E]
def lift5[A, B, C, D, E, R](f: (A, B, C, D, E) => R): (F[A], F[B], F[C], F[D], F[E]) => F[R]
def lift6[A, B, C, D, E, FF, R](f: (A, B, C, D, E, FF) => R): (F[A], F[B], F[C], F[D], F[E], F[FF]) => F[R]
def lift7[A, B, C, D, E, FF, G, R](f: (A, B, C, D, E, FF, G) => R): (F[A], F[B], F[C], F[D], F[E], F[FF], F[G]) => F[R]
def lift8[A, B, C, D, E, FF, G, H, R](f: (A, B, C, D, E, FF, G, H) => R): (F[A], F[B], F[C], F[D], F[E], F[FF], F[G], F[H]) => F[R]
def lift9[A, B, C, D, E, FF, G, H, I, R](f: (A, B, C, D, E, FF, G, H, I) => R): (F[A], F[B], F[C], F[D], F[E], F[FF], F[G], F[H], F[I]) => F[R]
override def map[A, B](fa: F[A])(f: A => B): F[B]

Attributes

Definition Classes
final def pure[A](a: => A): F[A]
def sequence[A, G[_] : Traverse](as: G[F[A]]): F[G[A]]
def traverse[A, G[_], B](value: G[A])(f: A => F[B])(implicit G: Traverse[G]): F[G[B]]
def tuple2[A, B](fa: => F[A], fb: => F[B]): F[(A, B)]
def tuple3[A, B, C](fa: => F[A], fb: => F[B], fc: => F[C]): F[(A, B, C)]
def tuple4[A, B, C, D](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D]): F[(A, B, C, D)]
def tuple5[A, B, C, D, E](fa: => F[A], fb: => F[B], fc: => F[C], fd: => F[D], fe: => F[E]): F[(A, B, C, D, E)]
def unlessM[A](cond: Boolean)(f: => F[A]): F[Unit]

Returns the given argument if cond is false, otherwise, unit lifted into F.

Returns the given argument if cond is false, otherwise, unit lifted into F.

Attributes

def whenM[A](cond: Boolean)(f: => F[A]): F[Unit]

Returns the given argument if cond is true, otherwise, unit lifted into F.

Returns the given argument if cond is true, otherwise, unit lifted into F.

Attributes

Inherited methods

def as[A, B](fa: F[A])(b: => B): F[B]

Attributes

Inherited from:
Functor
def void[A](fa: F[A]): F[Unit]

Attributes

Inherited from:
Functor
def xmap[A, B](fa: F[A], f: A => B, g: B => A): F[B]

Attributes

Inherited from:
Functor