set_dictionary(string)
Instance Public methods
Sets the preset dictionary and returns string
. This method is
available just only after ::new or
Zlib::ZStream#reset method was
called. See zlib.h for details.
Can raise errors of Z_STREAM_ERROR if a parameter is invalid (such as NULL dictionary) or the stream state is inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the expected one (incorrect adler32 value)
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