object TaskLocal
Builders for TaskLocal
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- final def ##(): Int
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- def apply[A](default: A): Task[TaskLocal[A]]
Builds a TaskLocal reference with the given default.
Builds a TaskLocal reference with the given default.
Task returned by this operation produces a new TaskLocal each time it is evaluated. To share a state between multiple consumers, pass TaskLocal values around as plain parameters, instead of keeping shared state.
Another possibility is to use Task.memoize, but note that this breaks referential transparency and can be problematic for example in terms of enabled Task.Options, which don't survive the memoization process.
- default
is a value that gets returned in case the local was never updated (with write) or in case it was cleared (with TaskLocal.clear)
- final def asInstanceOf[T0]: T0
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- def clone(): AnyRef
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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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- final def isInstanceOf[T0]: Boolean
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- def isolate[A](task: Task[A]): Task[A]
Wraps a provided
task
, such that any changes to any TaskLocal variable during its execution will not be observable outside of that Task. - def lazyDefault[A](default: Coeval[A]): Task[TaskLocal[A]]
Builds a TaskLocal reference with the given
default
, being lazily evaluated, using Coeval to manage evaluation.Builds a TaskLocal reference with the given
default
, being lazily evaluated, using Coeval to manage evaluation.Yes, side effects in the
default
are allowed, Coeval being a data type that's safe for side effects.Task returned by this operation produces a new TaskLocal each time it is evaluated. To share a state between multiple consumers, pass TaskLocal values around as plain parameters, instead of keeping shared state.
Another possibility is to use Task.memoize, but note that this breaks referential transparency and can be problematic for example in terms of enabled Task.Options, which don't survive the memoization process.
- default
is a value that gets returned in case the local was never updated (with write) or in case it was cleared (with TaskLocal.clear), lazily evaluated and managed by Coeval
- 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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- final def synchronized[T0](arg0: => T0): T0
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- def toString(): String
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- final def wait(): Unit
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- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long, arg1: Int): Unit
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- final def wait(arg0: Long): Unit
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- def wrap[A](local: Task[Local[A]]): Task[TaskLocal[A]]
Wraps a Local reference (given in the
Task
context) in a TaskLocal value.Wraps a Local reference (given in the
Task
context) in a TaskLocal value.Task returned by this operation produces a new TaskLocal each time it is evaluated. To share a state between multiple consumers, pass TaskLocal values around as plain parameters, instead of keeping shared state.
Another possibility is to use Task.memoize, but note that this breaks referential transparency and can be problematic for example in terms of enabled Task.Options, which don't survive the memoization process.