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view default_arg.m @ 324:c0cbffcf6513 feature/beams

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Created new operator class for lonely D4 operators. Removed some output parameters of implementations.
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 26 Sep 2016 09:51:45 +0200
parents 48b6fb693025
children
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function default_arg(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
        assignin('caller',s,val)
    end
end