object ReaderWriterStateT extends RWSTFunctions
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- package.scala
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- def apply[F[_], E, L, S, A](runF: (E, S) => F[(L, S, A)])(implicit F: Applicative[F]): ReaderWriterStateT[F, E, L, S, A]
Construct a new computation using the provided function.
Construct a new computation using the provided function.
- Definition Classes
- RWSTFunctions
- def applyF[F[_], E, L, S, A](runF: F[(E, S) => F[(L, S, A)]]): ReaderWriterStateT[F, E, L, S, A]
Like apply, but using a function in a context
F
.Like apply, but using a function in a context
F
.- Definition Classes
- RWSTFunctions
- def applyS[F[_], E, L, S, A](f: (S) => F[(L, S, A)])(implicit arg0: Applicative[F]): IndexedReaderWriterStateT[F, E, L, S, S, A]
Like apply, but using a effectful function from
S
.Like apply, but using a effectful function from
S
.- Definition Classes
- RWSTFunctions
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- def ask[F[_], E, L, S](implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, E]
Get the provided environment, without modifying the input state.
Get the provided environment, without modifying the input state.
- Definition Classes
- CommonIRWSTConstructors
- def clone(): AnyRef
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- protected[lang]
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- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- final def eq(arg0: AnyRef): Boolean
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- def finalize(): Unit
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- @throws(classOf[java.lang.Throwable])
- def get[F[_], E, L, S](implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, S]
Return the input state without modifying it.
Return the input state without modifying it.
- Definition Classes
- CommonIRWSTConstructors
- final def getClass(): Class[_ <: AnyRef]
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- Annotations
- @native()
- def hashCode(): Int
- Definition Classes
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- Annotations
- @native()
- def inspect[F[_], E, L, S, A](f: (S) => A)(implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, A]
Inspect a value from the input state, without modifying the state.
Inspect a value from the input state, without modifying the state.
- Definition Classes
- CommonIRWSTConstructors
- def inspectAsk[F[_], E, L, S, A](f: (E, S) => A)(implicit arg0: Applicative[F], arg1: Monoid[L]): ReaderWriterStateT[F, E, L, S, A]
Inspect values from the environment and input state, without modifying the state.
Inspect values from the environment and input state, without modifying the state.
- Definition Classes
- CommonIRWSTConstructors
- def inspectAskF[F[_], E, L, S, A](f: (E, S) => F[A])(implicit arg0: Applicative[F], arg1: Monoid[L]): ReaderWriterStateT[F, E, L, S, A]
Like inspectAsk, but using an effectful function.
Like inspectAsk, but using an effectful function.
- Definition Classes
- CommonIRWSTConstructors
- def inspectF[F[_], E, L, S, A](f: (S) => F[A])(implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, A]
Like inspect, but using an effectful function.
Like inspect, but using an effectful function.
- Definition Classes
- CommonIRWSTConstructors
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- def liftF[F[_], E, L, S, A](fa: F[A])(implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, A]
Return an effectful
a
and an empty log without modifying the input state.Return an effectful
a
and an empty log without modifying the input state.- Definition Classes
- CommonIRWSTConstructors
- def liftK[F[_], E, L, S](implicit F: Applicative[F], L: Monoid[L]): ~>[F, [ζ$0$]IndexedReaderWriterStateT[F, E, L, S, S, ζ$0$]]
Same as liftF, but expressed as a FunctionK for use with mapK
Same as liftF, but expressed as a FunctionK for use with mapK
scala> import cats._, data._, implicits._ scala> val a: OptionT[Eval, Int] = 1.pure[OptionT[Eval, *]] scala> val b: OptionT[RWST[Eval, Boolean, List[String], String, *], Int] = a.mapK(RWST.liftK) scala> b.value.runEmpty(true).value res0: (List[String], String, Option[Int]) = (List(),"",Some(1))
- Definition Classes
- CommonIRWSTConstructors
- def listen[F[_], E, L, S, A](rwst: ReaderWriterStateT[F, E, L, S, A])(implicit F: Functor[F]): ReaderWriterStateT[F, E, L, S, (A, L)]
- Definition Classes
- RWSTFunctions
- def modify[F[_], E, L, S](f: (S) => S)(implicit F: Applicative[F], L: Monoid[L]): ReaderWriterStateT[F, E, L, S, Unit]
Modify the input state using
f
.Modify the input state using
f
.- Definition Classes
- RWSTFunctions
- def modifyF[F[_], E, L, S](f: (S) => F[S])(implicit F: Applicative[F], L: Monoid[L]): ReaderWriterStateT[F, E, L, S, Unit]
Like modify, but using an effectful function.
Like modify, but using an effectful function.
- Definition Classes
- RWSTFunctions
- final def ne(arg0: AnyRef): Boolean
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- final def notify(): Unit
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- final def notifyAll(): Unit
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- def pure[F[_], E, L, S, A](a: A)(implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, A]
Return
a
and an empty log without modifying the input state.Return
a
and an empty log without modifying the input state.- Definition Classes
- CommonIRWSTConstructors
- def set[F[_], E, L, S](s: S)(implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, Unit]
Set the state to
s
.Set the state to
s
.- Definition Classes
- CommonIRWSTConstructors
- def setF[F[_], E, L, S](fs: F[S])(implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, Unit]
Like set, but using an effectful
S
value.Like set, but using an effectful
S
value.- Definition Classes
- CommonIRWSTConstructors
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def tell[F[_], E, L, S](l: L)(implicit F: Applicative[F]): IndexedReaderWriterStateT[F, E, L, S, S, Unit]
Add a value to the log, without modifying the input state.
Add a value to the log, without modifying the input state.
- Definition Classes
- CommonIRWSTConstructors
- def tellF[F[_], E, L, S](fl: F[L])(implicit F: Applicative[F]): IndexedReaderWriterStateT[F, E, L, S, S, Unit]
Like tell, but using an effectful
L
value.Like tell, but using an effectful
L
value.- Definition Classes
- CommonIRWSTConstructors
- def toString(): String
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- AnyRef → Any
- final def wait(): Unit
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Deprecated Value Members
- def lift[F[_], E, L, S, A](fa: F[A])(implicit F: Applicative[F], L: Monoid[L]): IndexedReaderWriterStateT[F, E, L, S, S, A]
- Definition Classes
- CommonIRWSTConstructors
- Annotations
- @deprecated
- Deprecated
(Since version 1.0.0-RC2) Use liftF instead