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10.3.5 Output stream methods

These generic functions are used to implement subclasses of fundamental-output-stream:

— Generic Function: stream-clear-output [sb-gray] stream

This is like cl:clear-output, but for Gray streams: clear the given output stream. The default method does nothing.

— Generic Function: stream-finish-output [sb-gray] stream

Attempts to ensure that all output sent to the Stream has reached its destination, and only then returns false. Implements finish-output. The default method does nothing.

— Generic Function: stream-force-output [sb-gray] stream

Attempts to force any buffered output to be sent. Implements force-output. The default method does nothing.

— Generic Function: stream-write-sequence [sb-gray] stream seq &optional start end

This is like cl:write-sequence, but for Gray streams.