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From: Phil Richards (news_at_[hidden])
Date: 2005-06-10 10:14:35

In CVS boost/iostreams/filter/zlib.hpp, revision 1.21 there is:

struct zlib_params {

    // Non-explicit constructor.
    zlib_params( int level = zlib::default_compression,
                 int method = zlib::deflated,
                 int window_bits = zlib::default_window_bits,
                 int mem_level = zlib::default_mem_level,
                 int strategy = zlib::default_strategy,
                 bool noheader = zlib::default_noheader,
                 bool calculate_crc = zlib::default_crc )
        : level(level), method(method), window_bits(window_bits),
          mem_level(mem_level), strategy(strategy),
          noheader(noheader), calculate_crc(zlib::default_crc)
        { }

g++ -Wall -W (correctly) states:
    warning: unused parameter 'calculate_crc'

Normally I wouldn't worry about trivial warnings, but in this case
the argument is being ignored when initialising the member data
which looks a bit odd to me...


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