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osdmaptool.cc: : use empty() instead of 'size() < 1'
Use empty() since it should be prefered as it has, following the standard, a constant time complexity regardless of the containter type. The same is not guaranteed for size(). This way the code is more logical. Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
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@ -120,7 +120,7 @@ int main(int argc, const char **argv)
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++i;
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}
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}
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if (args.size() < 1) {
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if (args.empty()) {
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cerr << me << ": must specify osdmap filename" << std::endl;
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usage();
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}
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