# width(Net) -- width of a net

## Description

width n -- the width of a net n.

The width of a net is the length of its longest row, if any, else 0. For a string, the width and the height are the same.

 i1 : "a c" || "-" || "adsf" o1 = a c - adsf i2 : width oo o2 = 4