sealed abstract
class
IORef[A] extends AnyRef
Abstract Value Members
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Concrete Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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def
clone(): AnyRef
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def
finalize(): Unit
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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def
mod(f: (A) ⇒ A): IO[A]
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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def
read: IO[A]
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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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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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def
write(a: ⇒ A): IO[Unit]
A mutable reference in the IO monad. Note that unsafePerformIO will allow leaking such a reference out of the monad, but any operations on a leaked reference are still monadic.