- Companion
- class
Type members
Value members
Concrete methods
Utility function - evaluate a
and catch and return any exceptions.
Utility function - evaluate a
and catch and return any exceptions.
Create a Task
that will evaluate a
using the given ExecutorService
.
Create a Task
that will evaluate a
using the given ExecutorService
.
Create a Task
from an asynchronous computation, which takes the form
of a function with which we can register a callback. This can be used
to translate from a callback-based API to a straightforward monadic
version.
Create a Task
from an asynchronous computation, which takes the form
of a function with which we can register a callback. This can be used
to translate from a callback-based API to a straightforward monadic
version.
Promote a non-strict value to a Task
, catching exceptions in
the process. Note that since Task
is unmemoized, this will
recompute a
each time it is sequenced into a larger computation.
Memoize a
with a lazy value before calling this function if
memoization is desired.
Promote a non-strict value to a Task
, catching exceptions in
the process. Note that since Task
is unmemoized, this will
recompute a
each time it is sequenced into a larger computation.
Memoize a
with a lazy value before calling this function if
memoization is desired.
Returns a Task
that produces the same result as the given Future
,
but forks its evaluation off into a separate (logical) thread, using
the given ExecutorService
. Note that this forking is only described
by the returned Task
--nothing occurs until the Task
is run.
Returns a Task
that produces the same result as the given Future
,
but forks its evaluation off into a separate (logical) thread, using
the given ExecutorService
. Note that this forking is only described
by the returned Task
--nothing occurs until the Task
is run.
Like Nondeterminism[Task].gatherUnordered
, but if exceptionCancels
is true,
exceptions in any task try to immediately cancel all other running tasks. If
exceptionCancels
is false, in the event of an error, all tasks are run to completion
before the error is returned.
Like Nondeterminism[Task].gatherUnordered
, but if exceptionCancels
is true,
exceptions in any task try to immediately cancel all other running tasks. If
exceptionCancels
is false, in the event of an error, all tasks are run to completion
before the error is returned.
- Since
7.0.3
Produce f
in the main trampolining loop, Future.step
, using a fresh
call stack. The standard trampolining primitive, useful for avoiding
stack overflows.
Produce f
in the main trampolining loop, Future.step
, using a fresh
call stack. The standard trampolining primitive, useful for avoiding
stack overflows.
Create a Task
that starts evaluating a
using the given ExecutorService
right away.
This will start executing side effects immediately, and is thus morally equivalent to
unsafePerformIO
. The resulting Task
cannot be rerun to repeat the effects.
Use with care.
Create a Task
that starts evaluating a
using the given ExecutorService
right away.
This will start executing side effects immediately, and is thus morally equivalent to
unsafePerformIO
. The resulting Task
cannot be rerun to repeat the effects.
Use with care.