| Async_condition | Async.Condition is async's implementation of the standard notion of a "condition"
    variable, and is analogous to OCaml's Condition module.
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| Async_gc | |
| Async_or_error | 
This module is the deferred analog of  
Core.Or_error.
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| Async_stream | 
For most applications one should use  
Pipe instead of Stream.
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| Backpatched | 
A  
Backpatched value is either a simple value or a "hole", which may or may not have
    been filled.
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| Clock | 
Schedule jobs to run at a time in the future.
 
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| Config | 
Settings that globally affect the behavior of async.
 
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| Debug | |
| Deferred | 
A deferred is a value that will become determined asynchronously.
 
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| Deferred_intf | |
| Deferred_std | |
| Execution_context | |
| Handler | 
A handler is a continuation that captures the current async execution context.
 
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| Import | |
| Ivar | 
An ivar is a write-once cell that can be empty or full (i.e.
 
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| Job | |
| Jobs | 
A  
Jobs.t has a queue of jobs at each priority level.
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| Kill_index | 
A timestamp used to implement  
Monitor.kill.
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| Lazy_deferred | 
A  
Lazy_deferred.t is a delayed computation that can produce a deferred.
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| Monitor | 
A monitor is a context that determines what to do when there is an unhandled
    exception.
 
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| Pipe | 
A pipe is a buffered FIFO communication channel.
 
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| Priority | |
| Raw_deferred | |
| Raw_handler | |
| Raw_ivar | |
| Raw_monitor | |
| Raw_scheduler | |
| Raw_stream | |
| Raw_tail | |
| Scheduler | preserve_execution_context f saves the current execution context and returns a
    function g such that g a adds a job that runs f a in the saved execution
    context.
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| Std | |
| Tail | 
A tail is a pointer to the end of a stream that can be used to extend the stream.
 
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| Test | |
| Throttle | 
Throttles to limit the number of concurrent computations.
 
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| Unregister |