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view default_arg.m @ 448:692bf61385c0 feature/grids

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Better error message
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 09 May 2017 14:47:52 +0200
parents 48b6fb693025
children
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line source

function default_arg(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
        assignin('caller',s,val)
    end
end