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view default_arg.m @ 226:bd99ea1fc733 feature/beams

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Clearer messages.
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 30 Jun 2016 14:10:26 +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