:: String -> Int is:exact -package:base -package:ViennaRNAParser -package:express -package:locators -package:dbus -package:polysemy -package:hxt package:vty

wcswidth :: String -> Int
vty Graphics.Text.Width Graphics.Vty.Image
safeWcswidth :: String -> Int
vty Graphics.Text.Width Graphics.Vty.Image
Returns the display width of a string. Assumes all characters with unknown widths are 0 width.