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< h2 id = "builtins_threaded_peek1" class = "codenp" > threaded_peek/1< / h2 >
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< h4 > Description< / h4 >
< pre > threaded_peek(Goal)< / pre >
< p >
Checks if the result of proving < code > Goal< / code > in a new thread is already available. This call succeeds or fails without blocking execution waiting for a reply to be avaialble.
< / p >
< h4 > Template and modes< / h4 >
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< pre > threaded_peek(?callable)< / pre >
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< h4 > Errors< / h4 >
< dl >
< dt > Goal is a variable:< / dt >
< dd > < code > instantiation_error< / code > < / dd >
< dt > Goal is neither a variable nor a callable term:< / dt >
< dd > < code > type_error(callable, Goal)< / code > < / dd >
< / dl >
< h4 > Examples< / h4 >
< dl >
< dt > To check for an asynchronous goal proof result:< / dt >
< dd > < code > threaded_peek(Goal)< / code > < / dd >
< dt > To check for an asynchronous message to < em > self< / em > result:< / dt >
< dd > < code > threaded_peek(::Goal)< / code > < / dd >
< dt > To check for an asynchronous message result:< / dt >
< dd > < code > threaded_peek(Object::Goal)< / code > < / dd >
< / dl >
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< span > Copyright © < a href = "mailto:pmoura@logtalk.org" > Paulo Moura< / a > — < a href = "http://logtalk.org" > Logtalk.org< / a > < / span > < br / >
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< span > Last updated on: January 5, 2006< / span >
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