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| operator | is closed | ||||||||
Return type: Boolean True if the stream is closed, false otherwise. Replacing
Returns: is with isnt will reverse the results.
Syntax
stream-name indexer? (is | isnt) closed
One type of stream test to check for the state of a stream to determine whether it is closed.
A stream is closed if the stream has been opened or reopened, and is now closed.
A stream must be closed to be used in a "%g" format item or in a string expression.
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Related Syntax is open |
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