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clojure.core.async

Facilities for async programming and communication.

go blocks are dispatched over an internal thread pool, which defaults to 8 threads. The size of this pool can be modified using the Java system property clojure.core.async.pool-size.

Facilities for async programming and communication.

go blocks are dispatched over an internal thread pool, which
defaults to 8 threads. The size of this pool can be modified using
the Java system property `clojure.core.async.pool-size`.
raw docstring

<!clj

(<! port)

takes a val from port. Must be called inside a (go ...) block. Will return nil if closed. Will park if nothing is available.

takes a val from port. Must be called inside a (go ...) block. Will
return nil if closed. Will park if nothing is available.
sourceraw docstring

<!!clj

(<!! port)

takes a val from port. Will return nil if closed. Will block if nothing is available.

takes a val from port. Will return nil if closed. Will block
if nothing is available.
sourceraw docstring

>!clj

(>! port val)

puts a val into port. nil values are not allowed. Must be called inside a (go ...) block. Will park if no buffer space is available. Returns true unless port is already closed.

puts a val into port. nil values are not allowed. Must be called
inside a (go ...) block. Will park if no buffer space is available.
Returns true unless port is already closed.
sourceraw docstring

>!!clj

(>!! port val)

puts a val into port. nil values are not allowed. Will block if no buffer space is available. Returns true unless port is already closed.

puts a val into port. nil values are not allowed. Will block if no
buffer space is available. Returns true unless port is already closed.
sourceraw docstring

admixclj

(admix mix ch)

Adds ch as an input to the mix

Adds ch as an input to the mix
sourceraw docstring

alt!cljmacro

(alt! & clauses)

Makes a single choice between one of several channel operations, as if by alts!, returning the value of the result expr corresponding to the operation completed. Must be called inside a (go ...) block.

Each clause takes the form of:

channel-op[s] result-expr

where channel-ops is one of:

take-port - a single port to take [take-port | [put-port put-val] ...] - a vector of ports as per alts! :default | :priority - an option for alts!

and result-expr is either a list beginning with a vector, whereupon that vector will be treated as a binding for the [val port] return of the operation, else any other expression.

(alt! [c t] ([val ch] (foo ch val)) x ([v] v) [[out val]] :wrote :default 42)

Each option may appear at most once. The choice and parking characteristics are those of alts!.

Makes a single choice between one of several channel operations,
as if by alts!, returning the value of the result expr corresponding
to the operation completed. Must be called inside a (go ...) block.

Each clause takes the form of:

channel-op[s] result-expr

where channel-ops is one of:

take-port - a single port to take
[take-port | [put-port put-val] ...] - a vector of ports as per alts!
:default | :priority - an option for alts!

and result-expr is either a list beginning with a vector, whereupon that
vector will be treated as a binding for the [val port] return of the
operation, else any other expression.

(alt!
  [c t] ([val ch] (foo ch val))
  x ([v] v)
  [[out val]] :wrote
  :default 42)

Each option may appear at most once. The choice and parking
characteristics are those of alts!.
sourceraw docstring

alt!!cljmacro

(alt!! & clauses)

Like alt!, except as if by alts!!, will block until completed, and not intended for use in (go ...) blocks.

Like alt!, except as if by alts!!, will block until completed, and
not intended for use in (go ...) blocks.
sourceraw docstring

alts!clj

(alts! ports & {:as opts})

Completes at most one of several channel operations. Must be called inside a (go ...) block. ports is a vector of channel endpoints, which can be either a channel to take from or a vector of [channel-to-put-to val-to-put], in any combination. Takes will be made as if by <!, and puts will be made as if by >!. Unless the :priority option is true, if more than one port operation is ready a non-deterministic choice will be made. If no operation is ready and a :default value is supplied, [default-val :default] will be returned, otherwise alts! will park until the first operation to become ready completes. Returns [val port] of the completed operation, where val is the value taken for takes, and a boolean (true unless already closed, as per put!) for puts.

opts are passed as :key val ... Supported options:

:default val - the value to use if none of the operations are immediately ready :priority true - (default nil) when true, the operations will be tried in order.

Note: there is no guarantee that the port exps or val exprs will be used, nor in what order should they be, so they should not be depended upon for side effects.

Completes at most one of several channel operations. Must be called
inside a (go ...) block. ports is a vector of channel endpoints,
which can be either a channel to take from or a vector of
[channel-to-put-to val-to-put], in any combination. Takes will be
made as if by <!, and puts will be made as if by >!. Unless
the :priority option is true, if more than one port operation is
ready a non-deterministic choice will be made. If no operation is
ready and a :default value is supplied, [default-val :default] will
be returned, otherwise alts! will park until the first operation to
become ready completes. Returns [val port] of the completed
operation, where val is the value taken for takes, and a
boolean (true unless already closed, as per put!) for puts.

opts are passed as :key val ... Supported options:

:default val - the value to use if none of the operations are immediately ready
:priority true - (default nil) when true, the operations will be tried in order.

Note: there is no guarantee that the port exps or val exprs will be
used, nor in what order should they be, so they should not be
depended upon for side effects.
sourceraw docstring

alts!!clj

(alts!! ports & {:as opts})

Like alts!, except takes will be made as if by <!!, and puts will be made as if by >!!, will block until completed, and not intended for use in (go ...) blocks.

Like alts!, except takes will be made as if by <!!, and puts will
be made as if by >!!, will block until completed, and not intended
for use in (go ...) blocks.
sourceraw docstring

bufferclj

(buffer n)

Returns a fixed buffer of size n. When full, puts will block/park.

Returns a fixed buffer of size n. When full, puts will block/park.
sourceraw docstring

chanclj

(chan)
(chan buf-or-n)
(chan buf-or-n xform)
(chan buf-or-n xform ex-handler)

Creates a channel with an optional buffer, an optional transducer (like (map f), (filter p) etc or a composition thereof), and an optional exception-handler. If buf-or-n is a number, will create and use a fixed buffer of that size. If a transducer is supplied a buffer must be specified. ex-handler must be a fn of one argument - if an exception occurs during transformation it will be called with the Throwable as an argument, and any non-nil return value will be placed in the channel.

Creates a channel with an optional buffer, an optional transducer
(like (map f), (filter p) etc or a composition thereof), and an
optional exception-handler.  If buf-or-n is a number, will create
and use a fixed buffer of that size. If a transducer is supplied a
buffer must be specified. ex-handler must be a fn of one argument -
if an exception occurs during transformation it will be called with
the Throwable as an argument, and any non-nil return value will be
placed in the channel.
sourceraw docstring

close!clj

(close! chan)

Closes a channel. The channel will no longer accept any puts (they will be ignored). Data in the channel remains available for taking, until exhausted, after which takes will return nil. If there are any pending takes, they will be dispatched with nil. Closing a closed channel is a no-op. Returns nil.

Logically closing happens after all puts have been delivered. Therefore, any blocked or parked puts will remain blocked/parked until a taker releases them.

Closes a channel. The channel will no longer accept any puts (they
will be ignored). Data in the channel remains available for taking, until
exhausted, after which takes will return nil. If there are any
pending takes, they will be dispatched with nil. Closing a closed
channel is a no-op. Returns nil.

Logically closing happens after all puts have been delivered. Therefore, any
blocked or parked puts will remain blocked/parked until a taker releases them.
sourceraw docstring

do-altclj

(do-alt alts clauses)
source

do-altsclj

(do-alts fret ports opts)

returns derefable [val port] if immediate, nil if enqueued

returns derefable [val port] if immediate, nil if enqueued
sourceraw docstring

dropping-bufferclj

(dropping-buffer n)

Returns a buffer of size n. When full, puts will complete but val will be dropped (no transfer).

Returns a buffer of size n. When full, puts will complete but
val will be dropped (no transfer).
sourceraw docstring

filter<cljdeprecated

(filter< p ch)
(filter< p ch buf-or-n)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

filter>cljdeprecated

(filter> p ch)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

fn-handlerclj

(fn-handler f)
(fn-handler f blockable)
source

gocljmacro

(go & body)

Asynchronously executes the body, returning immediately to the calling thread. Additionally, any visible calls to <!, >! and alt!/alts! channel operations within the body will block (if necessary) by 'parking' the calling thread rather than tying up an OS thread (or the only JS thread when in ClojureScript). Upon completion of the operation, the body will be resumed.

Returns a channel which will receive the result of the body when completed

Asynchronously executes the body, returning immediately to the
calling thread. Additionally, any visible calls to <!, >! and alt!/alts!
channel operations within the body will block (if necessary) by
'parking' the calling thread rather than tying up an OS thread (or
the only JS thread when in ClojureScript). Upon completion of the
operation, the body will be resumed.

Returns a channel which will receive the result of the body when
completed
sourceraw docstring

go-loopcljmacro

(go-loop bindings & body)

Like (go (loop ...))

Like (go (loop ...))
sourceraw docstring

intoclj

(into coll ch)

Returns a channel containing the single (collection) result of the items taken from the channel conjoined to the supplied collection. ch must close before into produces a result.

Returns a channel containing the single (collection) result of the
items taken from the channel conjoined to the supplied
collection. ch must close before into produces a result.
sourceraw docstring

ioc-alts!clj

(ioc-alts! state cont-block ports & {:as opts})
source

mapclj

(map f chs)
(map f chs buf-or-n)

Takes a function and a collection of source channels, and returns a channel which contains the values produced by applying f to the set of first items taken from each source channel, followed by applying f to the set of second items from each channel, until any one of the channels is closed, at which point the output channel will be closed. The returned channel will be unbuffered by default, or a buf-or-n can be supplied

Takes a function and a collection of source channels, and returns a
channel which contains the values produced by applying f to the set
of first items taken from each source channel, followed by applying
f to the set of second items from each channel, until any one of the
channels is closed, at which point the output channel will be
closed. The returned channel will be unbuffered by default, or a
buf-or-n can be supplied
sourceraw docstring

map<cljdeprecated

(map< f ch)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

map>cljdeprecated

(map> f ch)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

mapcat<cljdeprecated

(mapcat< f in)
(mapcat< f in buf-or-n)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

mapcat>cljdeprecated

(mapcat> f out)
(mapcat> f out buf-or-n)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

mergeclj

(merge chs)
(merge chs buf-or-n)

Takes a collection of source channels and returns a channel which contains all values taken from them. The returned channel will be unbuffered by default, or a buf-or-n can be supplied. The channel will close after all the source channels have closed.

Takes a collection of source channels and returns a channel which
contains all values taken from them. The returned channel will be
unbuffered by default, or a buf-or-n can be supplied. The channel
will close after all the source channels have closed.
sourceraw docstring

Mixcljprotocol

admix*clj

(admix* m ch)

solo-mode*clj

(solo-mode* m mode)

toggle*clj

(toggle* m state-map)

unmix*clj

(unmix* m ch)

unmix-all*clj

(unmix-all* m)
source

mixclj

(mix out)

Creates and returns a mix of one or more input channels which will be put on the supplied out channel. Input sources can be added to the mix with 'admix', and removed with 'unmix'. A mix supports soloing, muting and pausing multiple inputs atomically using 'toggle', and can solo using either muting or pausing as determined by 'solo-mode'.

Each channel can have zero or more boolean modes set via 'toggle':

:solo - when true, only this (ond other soloed) channel(s) will appear in the mix output channel. :mute and :pause states of soloed channels are ignored. If solo-mode is :mute, non-soloed channels are muted, if :pause, non-soloed channels are paused.

:mute - muted channels will have their contents consumed but not included in the mix :pause - paused channels will not have their contents consumed (and thus also not included in the mix)

Creates and returns a mix of one or more input channels which will
be put on the supplied out channel. Input sources can be added to
the mix with 'admix', and removed with 'unmix'. A mix supports
soloing, muting and pausing multiple inputs atomically using
'toggle', and can solo using either muting or pausing as determined
by 'solo-mode'.

Each channel can have zero or more boolean modes set via 'toggle':

:solo - when true, only this (ond other soloed) channel(s) will appear
        in the mix output channel. :mute and :pause states of soloed
        channels are ignored. If solo-mode is :mute, non-soloed
        channels are muted, if :pause, non-soloed channels are
        paused.

:mute - muted channels will have their contents consumed but not included in the mix
:pause - paused channels will not have their contents consumed (and thus also not included in the mix)
sourceraw docstring

Multcljprotocol

tap*clj

(tap* m ch close?)

untap*clj

(untap* m ch)

untap-all*clj

(untap-all* m)
source

multclj

(mult ch)

Creates and returns a mult(iple) of the supplied channel. Channels containing copies of the channel can be created with 'tap', and detached with 'untap'.

Each item is distributed to all taps in parallel and synchronously, i.e. each tap must accept before the next item is distributed. Use buffering/windowing to prevent slow taps from holding up the mult.

Items received when there are no taps get dropped.

If a tap puts to a closed channel, it will be removed from the mult.

Creates and returns a mult(iple) of the supplied channel. Channels
containing copies of the channel can be created with 'tap', and
detached with 'untap'.

Each item is distributed to all taps in parallel and synchronously,
i.e. each tap must accept before the next item is distributed. Use
buffering/windowing to prevent slow taps from holding up the mult.

Items received when there are no taps get dropped.

If a tap puts to a closed channel, it will be removed from the mult.
sourceraw docstring

Muxcljprotocol

muxch*clj

(muxch* _)
source

offer!clj

(offer! port val)

Puts a val into port if it's possible to do so immediately. nil values are not allowed. Never blocks. Returns true if offer succeeds.

Puts a val into port if it's possible to do so immediately.
nil values are not allowed. Never blocks. Returns true if offer succeeds.
sourceraw docstring

onto-chanclj

(onto-chan ch coll)
(onto-chan ch coll close?)

Puts the contents of coll into the supplied channel.

By default the channel will be closed after the items are copied, but can be determined by the close? parameter.

Returns a channel which will close after the items are copied.

Puts the contents of coll into the supplied channel.

By default the channel will be closed after the items are copied,
but can be determined by the close? parameter.

Returns a channel which will close after the items are copied.
sourceraw docstring

partitioncljdeprecated

(partition n ch)
(partition n ch buf-or-n)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

partition-bycljdeprecated

(partition-by f ch)
(partition-by f ch buf-or-n)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

pipeclj

(pipe from to)
(pipe from to close?)

Takes elements from the from channel and supplies them to the to channel. By default, the to channel will be closed when the from channel closes, but can be determined by the close? parameter. Will stop consuming the from channel if the to channel closes

Takes elements from the from channel and supplies them to the to
channel. By default, the to channel will be closed when the from
channel closes, but can be determined by the close?  parameter. Will
stop consuming the from channel if the to channel closes
sourceraw docstring

pipelineclj

(pipeline n to xf from)
(pipeline n to xf from close?)
(pipeline n to xf from close? ex-handler)

Takes elements from the from channel and supplies them to the to channel, subject to the transducer xf, with parallelism n. Because it is parallel, the transducer will be applied independently to each element, not across elements, and may produce zero or more outputs per input. Outputs will be returned in order relative to the inputs. By default, the to channel will be closed when the from channel closes, but can be determined by the close? parameter. Will stop consuming the from channel if the to channel closes. Note this should be used for computational parallelism. If you have multiple blocking operations to put in flight, use pipeline-blocking instead, If you have multiple asynchronous operations to put in flight, use pipeline-async instead.

Takes elements from the from channel and supplies them to the to
channel, subject to the transducer xf, with parallelism n. Because
it is parallel, the transducer will be applied independently to each
element, not across elements, and may produce zero or more outputs
per input.  Outputs will be returned in order relative to the
inputs. By default, the to channel will be closed when the from
channel closes, but can be determined by the close?  parameter. Will
stop consuming the from channel if the to channel closes. Note this
should be used for computational parallelism. If you have multiple
blocking operations to put in flight, use pipeline-blocking instead,
If you have multiple asynchronous operations to put in flight, use
pipeline-async instead.
sourceraw docstring

pipeline-asyncclj

(pipeline-async n to af from)
(pipeline-async n to af from close?)

Takes elements from the from channel and supplies them to the to channel, subject to the async function af, with parallelism n. af must be a function of two arguments, the first an input value and the second a channel on which to place the result(s). af must close! the channel before returning. The presumption is that af will return immediately, having launched some asynchronous operation (i.e. in another thread) whose completion/callback will manipulate the result channel. Outputs will be returned in order relative to the inputs. By default, the to channel will be closed when the from channel closes, but can be determined by the close? parameter. Will stop consuming the from channel if the to channel closes. See also pipeline, pipeline-blocking.

Takes elements from the from channel and supplies them to the to
channel, subject to the async function af, with parallelism n. af
must be a function of two arguments, the first an input value and
the second a channel on which to place the result(s). af must close!
the channel before returning.  The presumption is that af will
return immediately, having launched some asynchronous operation
(i.e. in another thread) whose completion/callback will manipulate
the result channel. Outputs will be returned in order relative to
the inputs. By default, the to channel will be closed when the from
channel closes, but can be determined by the close?  parameter. Will
stop consuming the from channel if the to channel closes. See also
pipeline, pipeline-blocking.
sourceraw docstring

pipeline-blockingclj

(pipeline-blocking n to xf from)
(pipeline-blocking n to xf from close?)
(pipeline-blocking n to xf from close? ex-handler)

Like pipeline, for blocking operations.

Like pipeline, for blocking operations.
sourceraw docstring

poll!clj

(poll! port)

Takes a val from port if it's possible to do so immediately. Never blocks. Returns value if successful, nil otherwise.

Takes a val from port if it's possible to do so immediately.
Never blocks. Returns value if successful, nil otherwise.
sourceraw docstring

promise-chanclj

(promise-chan)
(promise-chan xform)
(promise-chan xform ex-handler)

Creates a promise channel with an optional transducer, and an optional exception-handler. A promise channel can take exactly one value that consumers will receive. Once full, puts complete but val is dropped (no transfer). Consumers will block until either a value is placed in the channel or the channel is closed, then return the value (or nil) forever. See chan for the semantics of xform and ex-handler.

Creates a promise channel with an optional transducer, and an optional
exception-handler. A promise channel can take exactly one value that consumers
will receive. Once full, puts complete but val is dropped (no transfer).
Consumers will block until either a value is placed in the channel or the
channel is closed, then return the value (or nil) forever. See chan for the
semantics of xform and ex-handler.
sourceraw docstring

Pubcljprotocol

sub*clj

(sub* p v ch close?)

unsub*clj

(unsub* p v ch)

unsub-all*clj

(unsub-all* p)
(unsub-all* p v)
source

pubclj

(pub ch topic-fn)
(pub ch topic-fn buf-fn)

Creates and returns a pub(lication) of the supplied channel, partitioned into topics by the topic-fn. topic-fn will be applied to each value on the channel and the result will determine the 'topic' on which that value will be put. Channels can be subscribed to receive copies of topics using 'sub', and unsubscribed using 'unsub'. Each topic will be handled by an internal mult on a dedicated channel. By default these internal channels are unbuffered, but a buf-fn can be supplied which, given a topic, creates a buffer with desired properties.

Each item is distributed to all subs in parallel and synchronously, i.e. each sub must accept before the next item is distributed. Use buffering/windowing to prevent slow subs from holding up the pub.

Items received when there are no matching subs get dropped.

Note that if buf-fns are used then each topic is handled asynchronously, i.e. if a channel is subscribed to more than one topic it should not expect them to be interleaved identically with the source.

Creates and returns a pub(lication) of the supplied channel,
partitioned into topics by the topic-fn. topic-fn will be applied to
each value on the channel and the result will determine the 'topic'
on which that value will be put. Channels can be subscribed to
receive copies of topics using 'sub', and unsubscribed using
'unsub'. Each topic will be handled by an internal mult on a
dedicated channel. By default these internal channels are
unbuffered, but a buf-fn can be supplied which, given a topic,
creates a buffer with desired properties.

Each item is distributed to all subs in parallel and synchronously,
i.e. each sub must accept before the next item is distributed. Use
buffering/windowing to prevent slow subs from holding up the pub.

Items received when there are no matching subs get dropped.

Note that if buf-fns are used then each topic is handled
asynchronously, i.e. if a channel is subscribed to more than one
topic it should not expect them to be interleaved identically with
the source.
sourceraw docstring

put!clj

(put! port val)
(put! port val fn1)
(put! port val fn1 on-caller?)

Asynchronously puts a val into port, calling fn1 (if supplied) when complete, passing false iff port is already closed. nil values are not allowed. If on-caller? (default true) is true, and the put is immediately accepted, will call fn1 on calling thread. Returns true unless port is already closed.

Asynchronously puts a val into port, calling fn1 (if supplied) when
complete, passing false iff port is already closed. nil values are
not allowed. If on-caller? (default true) is true, and the put is
immediately accepted, will call fn1 on calling thread.  Returns
true unless port is already closed.
sourceraw docstring

reduceclj

(reduce f init ch)

f should be a function of 2 arguments. Returns a channel containing the single result of applying f to init and the first item from the channel, then applying f to that result and the 2nd item, etc. If the channel closes without yielding items, returns init and f is not called. ch must close before reduce produces a result.

f should be a function of 2 arguments. Returns a channel containing
the single result of applying f to init and the first item from the
channel, then applying f to that result and the 2nd item, etc. If
the channel closes without yielding items, returns init and f is not
called. ch must close before reduce produces a result.
sourceraw docstring

remove<cljdeprecated

(remove< p ch)
(remove< p ch buf-or-n)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

remove>cljdeprecated

(remove> p ch)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

sliding-bufferclj

(sliding-buffer n)

Returns a buffer of size n. When full, puts will complete, and be buffered, but oldest elements in buffer will be dropped (not transferred).

Returns a buffer of size n. When full, puts will complete, and be
buffered, but oldest elements in buffer will be dropped (not
transferred).
sourceraw docstring

solo-modeclj

(solo-mode mix mode)

Sets the solo mode of the mix. mode must be one of :mute or :pause

Sets the solo mode of the mix. mode must be one of :mute or :pause
sourceraw docstring

splitclj

(split p ch)
(split p ch t-buf-or-n f-buf-or-n)

Takes a predicate and a source channel and returns a vector of two channels, the first of which will contain the values for which the predicate returned true, the second those for which it returned false.

The out channels will be unbuffered by default, or two buf-or-ns can be supplied. The channels will close after the source channel has closed.

Takes a predicate and a source channel and returns a vector of two
channels, the first of which will contain the values for which the
predicate returned true, the second those for which it returned
false.

The out channels will be unbuffered by default, or two buf-or-ns can
be supplied. The channels will close after the source channel has
closed.
sourceraw docstring

subclj

(sub p topic ch)
(sub p topic ch close?)

Subscribes a channel to a topic of a pub.

By default the channel will be closed when the source closes, but can be determined by the close? parameter.

Subscribes a channel to a topic of a pub.

By default the channel will be closed when the source closes,
but can be determined by the close? parameter.
sourceraw docstring

takeclj

(take n ch)
(take n ch buf-or-n)

Returns a channel that will return, at most, n items from ch. After n items have been returned, or ch has been closed, the return channel will close.

The output channel is unbuffered by default, unless buf-or-n is given.

Returns a channel that will return, at most, n items from ch. After n items
 have been returned, or ch has been closed, the return channel will close.

The output channel is unbuffered by default, unless buf-or-n is given.
sourceraw docstring

take!clj

(take! port fn1)
(take! port fn1 on-caller?)

Asynchronously takes a val from port, passing to fn1. Will pass nil if closed. If on-caller? (default true) is true, and value is immediately available, will call fn1 on calling thread. Returns nil.

Asynchronously takes a val from port, passing to fn1. Will pass nil
if closed. If on-caller? (default true) is true, and value is
immediately available, will call fn1 on calling thread.
Returns nil.
sourceraw docstring

tapclj

(tap mult ch)
(tap mult ch close?)

Copies the mult source onto the supplied channel.

By default the channel will be closed when the source closes, but can be determined by the close? parameter.

Copies the mult source onto the supplied channel.

By default the channel will be closed when the source closes,
but can be determined by the close? parameter.
sourceraw docstring

threadcljmacro

(thread & body)

Executes the body in another thread, returning immediately to the calling thread. Returns a channel which will receive the result of the body when completed, then close.

Executes the body in another thread, returning immediately to the
calling thread. Returns a channel which will receive the result of
the body when completed, then close.
sourceraw docstring

thread-callclj

(thread-call f)

Executes f in another thread, returning immediately to the calling thread. Returns a channel which will receive the result of calling f when completed, then close.

Executes f in another thread, returning immediately to the calling
thread. Returns a channel which will receive the result of calling
f when completed, then close.
sourceraw docstring

timeoutclj

(timeout msecs)

Returns a channel that will close after msecs

Returns a channel that will close after msecs
sourceraw docstring

to-chanclj

(to-chan coll)

Creates and returns a channel which contains the contents of coll, closing when exhausted.

Creates and returns a channel which contains the contents of coll,
closing when exhausted.
sourceraw docstring

toggleclj

(toggle mix state-map)

Atomically sets the state(s) of one or more channels in a mix. The state map is a map of channels -> channel-state-map. A channel-state-map is a map of attrs -> boolean, where attr is one or more of :mute, :pause or :solo. Any states supplied are merged with the current state.

Note that channels can be added to a mix via toggle, which can be used to add channels in a particular (e.g. paused) state.

Atomically sets the state(s) of one or more channels in a mix. The
state map is a map of channels -> channel-state-map. A
channel-state-map is a map of attrs -> boolean, where attr is one or
more of :mute, :pause or :solo. Any states supplied are merged with
the current state.

Note that channels can be added to a mix via toggle, which can be
used to add channels in a particular (e.g. paused) state.
sourceraw docstring

transduceclj

(transduce xform f init ch)

async/reduces a channel with a transformation (xform f). Returns a channel containing the result. ch must close before transduce produces a result.

async/reduces a channel with a transformation (xform f).
Returns a channel containing the result.  ch must close before
transduce produces a result.
sourceraw docstring

unblocking-buffer?clj

(unblocking-buffer? buff)

Returns true if a channel created with buff will never block. That is to say, puts into this buffer will never cause the buffer to be full.

Returns true if a channel created with buff will never block. That is to say,
puts into this buffer will never cause the buffer to be full. 
sourceraw docstring

uniquecljdeprecated

(unique ch)
(unique ch buf-or-n)

Deprecated - this function will be removed. Use transducer instead

Deprecated - this function will be removed. Use transducer instead
sourceraw docstring

unmixclj

(unmix mix ch)

Removes ch as an input to the mix

Removes ch as an input to the mix
sourceraw docstring

unmix-allclj

(unmix-all mix)

removes all inputs from the mix

removes all inputs from the mix
sourceraw docstring

unsubclj

(unsub p topic ch)

Unsubscribes a channel from a topic of a pub

Unsubscribes a channel from a topic of a pub
sourceraw docstring

unsub-allclj

(unsub-all p)
(unsub-all p topic)

Unsubscribes all channels from a pub, or a topic of a pub

Unsubscribes all channels from a pub, or a topic of a pub
sourceraw docstring

untapclj

(untap mult ch)

Disconnects a target channel from a mult

Disconnects a target channel from a mult
sourceraw docstring

untap-allclj

(untap-all mult)

Disconnects all target channels from a mult

Disconnects all target channels from a mult
sourceraw docstring

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