Mercurial > repos > public > sbplib

view default_arg.m @ 833:9f4c45a2d271 feature/burgers1d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Support narrow stencil operators of order 6
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Tue, 11 Sep 2018 16:29:00 +0200
parents 48b6fb693025
children
line wrap: on
line source

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