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Use firstterm
[SVN r25046]
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@@ -391,7 +391,7 @@ connected to <code>sig</code> must therefore be able to take two
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<section><title>Signal Return Values (Advanced)</title>
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<para>Just as slots can receive arguments, they can also return
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values. These values can then be returned back to the caller of the
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signal through a <emphasis>combiner</emphasis>. The combiner is a mechanism
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signal through a <firstterm>combiner</firstterm>. The combiner is a mechanism
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that can take the results of calling slots (there many be no
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results or a hundred; we don't know until the program runs) and
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coalesces them into a single result to be returned to the caller.
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