com.twitter.storehaus.cache

Memoize

object Memoize extends AnyRef

Memoize supplies a number of functions for generating memoized versions of Scala's functions using a MutableCache instance.

For example,

import com.twitter.storehaus.cache._

scala> val sleepyToString = Memoize(MapCache.empty[Int, String].toMutable()) { i => println("CALCULATING!"); i.toString }
sleepyToString: com.twitter.storehaus.cache.Memoize22[Int,String] = <function22>

scala> sleepyToString(10)
CALCULATING!
res21: String = 10

scala> sleepyToString(10)
res22: String = 10

// Get the backing function back out with backingFn:

scala> sleepyToString.backingFn(10)
CALCULATING!
res2: String = 10
Source
Memoize
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  1. final def !=(arg0: AnyRef): Boolean

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

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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

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  6. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22) ⇒ R): Memoize22[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, R]

  7. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21) ⇒ R): Memoize21[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, R]

  8. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20) ⇒ R): Memoize20[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, R]

  9. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19) ⇒ R): Memoize19[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, R]

  10. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18) ⇒ R): Memoize18[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, R]

  11. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17) ⇒ R): Memoize17[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, R]

  12. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16) ⇒ R): Memoize16[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, R]

  13. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15) ⇒ R): Memoize15[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, R]

  14. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14) ⇒ R): Memoize14[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, R]

  15. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13) ⇒ R): Memoize13[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, R]

  16. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) ⇒ R): Memoize12[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, R]

  17. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) ⇒ R): Memoize11[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, R]

  18. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) ⇒ R): Memoize10[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, R]

  19. def apply[T1, T2, T3, T4, T5, T6, T7, T8, T9, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8, T9), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8, T9) ⇒ R): Memoize9[T1, T2, T3, T4, T5, T6, T7, T8, T9, R]

  20. def apply[T1, T2, T3, T4, T5, T6, T7, T8, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7, T8), R])(f: (T1, T2, T3, T4, T5, T6, T7, T8) ⇒ R): Memoize8[T1, T2, T3, T4, T5, T6, T7, T8, R]

  21. def apply[T1, T2, T3, T4, T5, T6, T7, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6, T7), R])(f: (T1, T2, T3, T4, T5, T6, T7) ⇒ R): Memoize7[T1, T2, T3, T4, T5, T6, T7, R]

  22. def apply[T1, T2, T3, T4, T5, T6, R](cache: MutableCache[(T1, T2, T3, T4, T5, T6), R])(f: (T1, T2, T3, T4, T5, T6) ⇒ R): Memoize6[T1, T2, T3, T4, T5, T6, R]

  23. def apply[T1, T2, T3, T4, T5, R](cache: MutableCache[(T1, T2, T3, T4, T5), R])(f: (T1, T2, T3, T4, T5) ⇒ R): Memoize5[T1, T2, T3, T4, T5, R]

  24. def apply[T1, T2, T3, T4, R](cache: MutableCache[(T1, T2, T3, T4), R])(f: (T1, T2, T3, T4) ⇒ R): Memoize4[T1, T2, T3, T4, R]

  25. def apply[T1, T2, T3, R](cache: MutableCache[(T1, T2, T3), R])(f: (T1, T2, T3) ⇒ R): Memoize3[T1, T2, T3, R]

  26. def apply[T1, T2, R](cache: MutableCache[(T1, T2), R])(f: (T1, T2) ⇒ R): Memoize2[T1, T2, R]

  27. def apply[T1, R](cache: MutableCache[T1, R])(f: (T1) ⇒ R): Memoize1[T1, R]

  28. final def asInstanceOf[T0]: T0

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  29. def clone(): AnyRef

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  30. final def eq(arg0: AnyRef): Boolean

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  31. def equals(arg0: Any): Boolean

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  32. def finalize(): Unit

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  33. final def getClass(): java.lang.Class[_]

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  34. def hashCode(): Int

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  35. final def isInstanceOf[T0]: Boolean

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  36. final def ne(arg0: AnyRef): Boolean

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  37. final def notify(): Unit

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  38. final def notifyAll(): Unit

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

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  40. def toString(): String

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  41. final def wait(): Unit

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

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  43. final def wait(arg0: Long): Unit

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