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view default_arg.m @ 277:4c3f55a628c8 feature/beams

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Made evalOn give more error message.
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 07 Sep 2016 13:47:05 +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