view default_arg.m @ 202:e2fefb6f0746 feature/grids

multiblock.DiffOp: Fleshed out boundary_condition() a bit more
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 14 Jun 2016 15:45:28 +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