trait IsomorphismOptional[F[_], G[_]] extends Optional[F]
- Source
- Isomorphism.scala
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- IsomorphismOptional
- Optional
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Abstract Value Members
- implicit abstract def G: Optional[G]
- abstract def iso: Isomorphism.<~>[F, G]
Concrete Value Members
- def ?[A, X](fa: F[A])(some: => X, none: => X): X
Returns
someif this context is defined, otherwisenone.Returns
someif this context is defined, otherwisenone.- Definition Classes
- Optional
- def getOrElse[A](fa: F[A])(default: => A): A
Returns the value within the context if defined or else the value of
default.Returns the value within the context if defined or else the value of
default.- Definition Classes
- Optional
- def isDefined[A](fa: F[A]): Boolean
Returns
trueif a value is defined within the context.Returns
trueif a value is defined within the context.- Definition Classes
- Optional
- final def isEmpty[A](fa: F[A]): Boolean
Returns
trueif no value is defined within the context.Returns
trueif no value is defined within the context.- Definition Classes
- Optional
- final def nonEmpty[A](fa: F[A]): Boolean
Returns
trueif a value is defined within the context.Returns
trueif a value is defined within the context. This is an alias forisDefined.- Definition Classes
- Optional
- val optionalSyntax: OptionalSyntax[F]
- Definition Classes
- Optional
- def orElse[A](fa: F[A])(alternative: => F[A]): F[A]
Returns given context if it is defined or else the value of the
alternative.Returns given context if it is defined or else the value of the
alternative.- Definition Classes
- Optional
- def pextract[B, A](fa: F[A]): \/[F[B], A]
If
fahas ana, return it; otherwise it must be universally quantified.If
fahas ana, return it; otherwise it must be universally quantified.- Definition Classes
- IsomorphismOptional → Optional
- def toMaybe[A](fa: F[A]): Maybe[A]
Returns this context converted to the
Maybecontext.Returns this context converted to the
Maybecontext.- Definition Classes
- Optional
- def toOption[A](fa: F[A]): Option[A]
Returns this context converted to the
Optioncontext.Returns this context converted to the
Optioncontext.- Definition Classes
- Optional