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view default_arg.m @ 571:38c3da9675a5 feature/utux2D

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Bug fixes in scheme.Utux
author Martin Almquist <martin.almquist@it.uu.se>
date Tue, 22 Aug 2017 13:53:31 +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