lua.wetgenes.grd.duplicate
ga = g:duplicate()
Create a duplicate of this grd and return it.
Returns nil,error if something goes wrong so can be used with assert otherwise returns g so that we can chain the result.
ga = g:duplicate()
Create a duplicate of this grd and return it.
Returns nil,error if something goes wrong so can be used with assert otherwise returns g so that we can chain the result.