final def !=(arg0: scala.Any): Boolean

Definition Classes: AnyRef → Any

final def ##(): Int

Definition Classes: AnyRef → Any

def +(other: String): String

Implicit: This member is added by an implicit conversion from |[A, B] to any2stringadd[|[A, B]] performed by method any2stringadd in scala.Predef.
Definition Classes: any2stringadd

def ->[B](y: B): (|[A, B], B)

Implicit: This member is added by an implicit conversion from |[A, B] to ArrowAssoc[|[A, B]] performed by method ArrowAssoc in scala.Predef. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: ArrowAssoc
Annotations: @inline()

final def ==(arg0: scala.Any): Boolean

Definition Classes: AnyRef → Any

final def asInstanceOf[T0]: T0

Definition Classes: Any

def clone(): AnyRef

Attributes: protected[java.lang]
Definition Classes: AnyRef
Annotations: @native() @throws( ... )

final def collect[B](pf: PartialFunction[A, B]): UndefOr[B]

Returns the result of applying pf to this js.UndefOr's contained value, if this option is nonempty and pf is defined for that value.

Returns the result of applying pf to this js.UndefOr's contained value, if this option is nonempty and pf is defined for that value. Returns js.undefined otherwise.

pf: the partial function.
returns: the result of applying pf to this js.UndefOr's value (if possible), or js.undefined.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def contains[A1 >: A](elem: A1): Boolean

Tests whether the js.UndefOr contains a given value as an element.

x.contains(y) differs from x == y only in the fact that it will return false when x and y are both undefined.

elem: the element to test.
returns: true if the js.UndefOr has an element that is equal (as determined by ==) to elem, false otherwise.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

def ensuring(cond: (|[A, B]) ⇒ Boolean, msg: ⇒ scala.Any): |[A, B]

Implicit: This member is added by an implicit conversion from |[A, B] to Ensuring[|[A, B]] performed by method Ensuring in scala.Predef.
Definition Classes: Ensuring

def ensuring(cond: (|[A, B]) ⇒ Boolean): |[A, B]

Implicit: This member is added by an implicit conversion from |[A, B] to Ensuring[|[A, B]] performed by method Ensuring in scala.Predef.
Definition Classes: Ensuring

def ensuring(cond: Boolean, msg: ⇒ scala.Any): |[A, B]

Implicit: This member is added by an implicit conversion from |[A, B] to Ensuring[|[A, B]] performed by method Ensuring in scala.Predef.
Definition Classes: Ensuring

def ensuring(cond: Boolean): |[A, B]

Implicit: This member is added by an implicit conversion from |[A, B] to Ensuring[|[A, B]] performed by method Ensuring in scala.Predef.
Definition Classes: Ensuring

final def eq(arg0: AnyRef): Boolean

Definition Classes: AnyRef

def equals(arg0: scala.Any): Boolean

Definition Classes: AnyRef → Any

final def exists(p: (A) ⇒ Boolean): Boolean

Returns true if this option is nonempty and the predicate p returns true when applied to this js.UndefOr's value.

Returns true if this option is nonempty and the predicate p returns true when applied to this js.UndefOr's value. Otherwise, returns false.

p: the predicate to test

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def filter(p: (A) ⇒ Boolean): UndefOr[A]

Returns this js.UndefOr if it is nonempty and applying the predicate p to this js.UndefOr's value returns true.

Returns this js.UndefOr if it is nonempty and applying the predicate p to this js.UndefOr's value returns true. Otherwise, return js.undefined.

p: the predicate used for testing.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def filterNot(p: (A) ⇒ Boolean): UndefOr[A]

Returns this js.UndefOr if it is nonempty and applying the predicate p to this js.UndefOr's value returns false.

Returns this js.UndefOr if it is nonempty and applying the predicate p to this js.UndefOr's value returns false. Otherwise, return js.undefined.

p: the predicate used for testing.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

def finalize(): Unit

Attributes: protected[java.lang]
Definition Classes: AnyRef
Annotations: @throws( classOf[java.lang.Throwable] )

final def flatMap[B](f: (A) ⇒ UndefOr[B]): UndefOr[B]

Returns the result of applying f to this js.UndefOr's value if this js.UndefOr is nonempty.

Returns the result of applying f to this js.UndefOr's value if this js.UndefOr is nonempty. Returns js.undefined if this js.UndefOr is empty. Slightly different from map in that f is expected to return an js.UndefOr (which could be js.undefined).

f: the function to apply

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()
See also: foreach
map

def flatten[B](implicit ev: <:<[A, UndefOr[B]]): UndefOr[B]

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps

final def fold[B](ifEmpty: ⇒ B)(f: (A) ⇒ B): B

Returns the result of applying f to this js.UndefOr's value if the js.UndefOr is nonempty.

Returns the result of applying f to this js.UndefOr's value if the js.UndefOr is nonempty. Otherwise, evaluates expression ifEmpty.

ifEmpty: the expression to evaluate if empty.
f: the function to apply if nonempty.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()
Note: This is equivalent to js.UndefOr map f getOrElse ifEmpty.

final def forall(p: (A) ⇒ Boolean): Boolean

Returns true if this option is empty or the predicate p returns true when applied to this js.UndefOr's value.

p: the predicate to test

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def foreach[U](f: (A) ⇒ U): Unit

Apply the given procedure f to the option's value, if it is nonempty.

Apply the given procedure f to the option's value, if it is nonempty. Otherwise, do nothing.

f: the procedure to apply.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()
See also: flatMap
map

def formatted(fmtstr: String): String

Implicit: This member is added by an implicit conversion from |[A, B] to StringFormat[|[A, B]] performed by method StringFormat in scala.Predef.
Definition Classes: StringFormat
Annotations: @inline()

final def get: A

Returns the option's value.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()
Exceptions thrown: java.util.NoSuchElementException if the option is empty.
Note: The option must be nonEmpty.

final def getClass(): Class[_]

Definition Classes: AnyRef → Any
Annotations: @native()

final def getOrElse[B >: A](default: ⇒ B): B

Returns the option's value if the option is nonempty, otherwise return the result of evaluating default.

default: the default expression.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

def hashCode(): Int

Definition Classes: AnyRef → Any
Annotations: @native()

final def isDefined: Boolean

Returns true if the option is not undefined, false otherwise.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def isEmpty: Boolean

Returns true if the option is undefined, false otherwise.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def isInstanceOf[T0]: Boolean

Definition Classes: Any

def iterator: collection.Iterator[A]

Returns a singleton iterator returning the js.UndefOr's value if it is nonempty, or an empty iterator if the option is empty.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps

final def map[B](f: (A) ⇒ B): UndefOr[B]

Returns the result of applying f to this js.UndefOr's value if this js.UndefOr is nonempty.

Returns the result of applying f to this js.UndefOr's value if this js.UndefOr is nonempty. Otherwise return js.undefined.

f: the function to apply

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()
Note: This is similar to flatMap except here, f does not need to wrap its result in an js.UndefOr.
See also: foreach
flatMap

def merge[B](implicit ev: Evidence[|[A, B], B]): B

Explicitly merge a union type to a supertype (which might not be a union type itself).

This needs evidence that A <: B.

Implicit: This member is added by an implicit conversion from |[A, B] to UnionOps[|[A, B]] performed by method UnionOps in scala.scalajs.js.|.
Definition Classes: UnionOps

final def ne(arg0: AnyRef): Boolean

Definition Classes: AnyRef

final def nonEmpty: Boolean

Returns false if the option is js.undefined, true otherwise.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Note: Implemented here to avoid the implicit conversion to Iterable.

final def notify(): Unit

Definition Classes: AnyRef
Annotations: @native()

final def notifyAll(): Unit

Definition Classes: AnyRef
Annotations: @native()

final def orElse[B >: A](alternative: ⇒ UndefOr[B]): UndefOr[B]

Returns this js.UndefOr if it is nonempty, otherwise return the result of evaluating alternative.

alternative: the alternative expression.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def orNull[A1 >: A](implicit ev: <:<[Null, A1]): A1

Returns the option's value if it is nonempty, or null if it is empty.

Returns the option's value if it is nonempty, or null if it is empty. Although the use of null is discouraged, code written to use js.UndefOr must often interface with code that expects and returns nulls.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def synchronized[T0](arg0: ⇒ T0): T0

Definition Classes: AnyRef

final def toLeft[X](right: ⇒ X): Either[A, X]

Returns a Right containing the given argument right if this is empty, or a Left containing this js.UndefOr's value if this js.UndefOr is nonempty.

right: the expression to evaluate and return if this is empty

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()
See also: toRight

def toList: List[A]

Returns a singleton list containing the js.UndefOr's value if it is nonempty, or the empty list if the js.UndefOr is empty.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps

final def toOption: Option[A]

Returns a Some containing this js.UndefOr's value if this js.UndefOr is nonempty, None otherwise.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

final def toRight[X](left: ⇒ X): Either[X, A]

Returns a Left containing the given argument left if this js.UndefOr is empty, or a Right containing this js.UndefOr's value if this is nonempty.

left: the expression to evaluate and return if this is empty

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()
See also: toLeft

def toString(): String

Definition Classes: AnyRef → Any

final def wait(): Unit

Definition Classes: AnyRef
Annotations: @throws( ... )

final def wait(arg0: Long, arg1: Int): Unit

Definition Classes: AnyRef
Annotations: @throws( ... )

final def wait(arg0: Long): Unit

Definition Classes: AnyRef
Annotations: @native() @throws( ... )

final def withFilter(p: (A) ⇒ Boolean): WithFilter[A]

Necessary to keep js.UndefOr from being implicitly converted to scala.collection.Iterable in for comprehensions.

Implicit: This member is added by an implicit conversion from |[A, B] to UndefOrOps[A] performed by method undefOr2ops in scala.scalajs.js.|. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: UndefOrOps
Annotations: @inline()

def →[B](y: B): (|[A, B], B)

Implicit: This member is added by an implicit conversion from |[A, B] to ArrowAssoc[|[A, B]] performed by method ArrowAssoc in scala.Predef. This conversion will take place only if B is Unit (B =:= Unit).
Definition Classes: ArrowAssoc

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Companion object |

sealed trait |[A, B] extends AnyRef

Value Members

Inherited from AnyRef

Inherited from scala.Any

Inherited by implicit conversion undefOr2ops from |[A, B] to UndefOrOps[A]

Inherited by implicit conversion undefOr2jsAny from |[A, B] to Any

Inherited by implicit conversion UnionOps from |[A, B] to UnionOps[|[A, B]]

Inherited by implicit conversion any2stringadd from |[A, B] to any2stringadd[|[A, B]]

Inherited by implicit conversion StringFormat from |[A, B] to StringFormat[|[A, B]]

Inherited by implicit conversion Ensuring from |[A, B] to Ensuring[|[A, B]]

Inherited by implicit conversion ArrowAssoc from |[A, B] to ArrowAssoc[|[A, B]]

Ungrouped