object Reusable
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- final def !=(arg0: Any): Boolean
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- final def ##: Int
- Definition Classes
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- final def ==(arg0: Any): Boolean
- Definition Classes
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- def always[A](a: A): Reusable[A]
- def ap[A, B, C](ra: Reusable[A], rb: Reusable[B])(f: (A, B) => C): Reusable[C]
Create a new
Reusable[C]
that is reusable so long asReusable[A]
andReusable[B]
are. - def apply[A](a: A)(reuse: (A, A) => Boolean)(implicit arg0: ClassTag[A]): Reusable[A]
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- implicit def autoValue[A](r: Reusable[A]): A
- Annotations
- @inline()
- def byRef[A <: AnyRef](a: A): Reusable[A]
Compare by reference.
Compare by reference. Reuse if both values are the same instance.
- def byRefIso[A, B <: AnyRef](a: A)(iso: (A) => B): Reusable[A]
Compare by reference through an isomorphism.
Compare by reference through an isomorphism. Reuse if both values are the same instance.
- def byRefOr_==[A <: AnyRef](a: A): Reusable[A]
Compare by reference and if different, compare using universal equality (Scala's == operator).
- def by_==[A](a: A): Reusable[A]
Compare using universal equality (Scala's == operator).
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native()
- def const[A](a: A, isReusable: Boolean): Reusable[A]
Use constant reusability (i.e.
Use constant reusability (i.e. always-reuse or never-reuse)
- lazy val emptyVdom: Reusable[TagMod]
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- def explicitly[A](a: A)(r: Reusability[A])(implicit arg0: ClassTag[A]): Reusable[A]
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
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- @throws(classOf[java.lang.Throwable])
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
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- Annotations
- @native()
- def hashCode(): Int
- Definition Classes
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- Annotations
- @native()
- def implicitly[A](a: A)(implicit arg0: ClassTag[A], arg1: Reusability[A]): Reusable[A]
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
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- def never[A](a: A): Reusable[A]
- final def notify(): Unit
- Definition Classes
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- Annotations
- @native()
- final def notifyAll(): Unit
- Definition Classes
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- Annotations
- @native()
- def reusabilityInstance[A](r: Reusability[A]): Reusable[Reusability[A]]
- implicit def reusableReusability[A]: Reusability[Reusable[A]]
- def sequenceOption[A](o: Option[Reusable[A]]): Reusable[Option[A]]
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
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- def toString(): String
- Definition Classes
- AnyRef → Any
- lazy val unit: Reusable[Unit]
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
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- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
- object fn
A function that facilitates stability and reuse.
A function that facilitates stability and reuse.
In effective usage of React, callbacks are passed around as component properties. Due to the ease of function creation in Scala it is often the case that functions are created inline and thus provide no means of determining whether a component can safely skip its update. This exists as a solution.
- Since
0.9.0
- object fnOutput
Convenience methods that help you create
I => Reusable[O]
functions.Convenience methods that help you create
I => Reusable[O]
functions.The reason this is more convenient than the underlying methods is that this makes it easier to create and share a single Reusability instance at the function definition site, before it's used.
Also note, that it's important that the functions you provide are pure. If you don't always return the same output given the same input, then you can expect different outputs to be discarded or "lost".
- Since
1.5.0