dotty-cps-async/cps.monads/FreeCpsMonad

FreeCpsMonad

object FreeCpsMonad extends CpsTryMonad[FreeMonad] with CpsMonadInstanceContext[FreeMonad]

Implementation for FreeCpsMonad. It is intentionally defiend at top-level, to fire 'implicitAmbigious' error when async is called without parameters and without select instance of CpsMonad in scope.

class Object
trait Matchable
class Any

Type members

Types

type F[A] = FreeMonad[A]

Inherited types

type WF[X] = F[X]
Inherited from:
CpsMonad

Value members

Concrete methods

def adoptCallbackStyle[A](source: (Try[A] => Unit) => Unit): FreeMonad[A]
def error[A](e: Throwable): FreeMonad[A]

represent error e in monadic context.

represent error e in monadic context.

def flatMap[A, B](fa: FreeMonad[A])(f: A => FreeMonad[B]): FreeMonad[B]

bind combinator, which compose f over fa

bind combinator, which compose f over fa

def flatMapTry[A, B](fa: FreeMonad[A])(f: Try[A] => FreeMonad[B]): FreeMonad[B]

flatMap over result of checked evaluation of A

flatMap over result of checked evaluation of A

def map[A, B](fa: FreeMonad[A])(f: A => B): FreeMonad[B]

map a function f over fa

map a function f over fa

def pure[A](a: A): FreeMonad[A]

Pure - wrap value t inside monad.

Pure - wrap value t inside monad.

Note, that pure use eager evaluation, which is different from Haskell.

Inherited methods

def adoptAwait[A](fa: FreeMonad[A]): F[A]

If is it statically known, that monad is evaluated in this context, then this call is completely eliminated by dotty-cps-async macro

If is it statically known, that monad is evaluated in this context, then this call is completely eliminated by dotty-cps-async macro

Returns:

fa

Inherited from:
CpsMonadInstanceContext
def apply[T](op: Context => FreeMonad[T]): F[T]

run with this instance

run with this instance

Inherited from:
CpsMonadInstanceContext
def fromTry[A](r: Try[A]): F[A]

transform r into pure value or error.

transform r into pure value or error.

Inherited from:
CpsTryMonad
def lazyPure[T](op: => T): F[T]

Lazy variant of pure, which by default - create monadic expression according to the choosen monad types. (i.e. delaing for effect monads, starting for eager monand, pure by defiault)

Lazy variant of pure, which by default - create monadic expression according to the choosen monad types. (i.e. delaing for effect monads, starting for eager monand, pure by defiault)

Inherited from:
CpsMonad
def mapTry[A, B](fa: FreeMonad[A])(f: Try[A] => B): F[B]

map over result of checked evaluation of A

map over result of checked evaluation of A

Inherited from:
CpsTryMonad
def mapTryAsync[A, B](fa: FreeMonad[A])(f: Try[A] => FreeMonad[B]): F[B]

synonym for flatMapTry needed for processing awaits inside mapTry.

synonym for flatMapTry needed for processing awaits inside mapTry.

Inherited from:
CpsTryMonad
def restore[A](fa: FreeMonad[A])(fx: Throwable => FreeMonad[A]): F[A]

restore fa, ie if fa sucessful - return fa, otherwise apply fx to received error.

restore fa, ie if fa sucessful - return fa, otherwise apply fx to received error.

Inherited from:
CpsTryMonad
def tryImpure[A](a: => FreeMonad[A]): F[A]

try to evaluate async operation and wrap successful or failed result into F.

try to evaluate async operation and wrap successful or failed result into F.

Inherited from:
CpsTryMonad
def tryPure[A](a: => A): F[A]

try to evaluate synchonious operation and wrap successful or failed result into F.

try to evaluate synchonious operation and wrap successful or failed result into F.

Inherited from:
CpsTryMonad
def tryPureAsync[A](a: () => FreeMonad[A]): F[A]

async shift of tryPure.

async shift of tryPure.

Inherited from:
CpsTryMonad
def withAction[A](fa: FreeMonad[A])(action: => Unit): F[A]

ensure that action will run before getting value from fa

ensure that action will run before getting value from fa

Inherited from:
CpsTryMonad
def withActionAsync[A](fa: FreeMonad[A])(action: () => FreeMonad[Unit]): F[A]

async shift of withAction.

async shift of withAction.

This method is substituted instead withAction, when we use await inside withAction argument.

Inherited from:
CpsTryMonad
def withAsyncAction[A](fa: FreeMonad[A])(action: => FreeMonad[Unit]): F[A]

return result of fa after completition of action.

return result of fa after completition of action.

Inherited from:
CpsTryMonad