:: String -> Int -package:hledger-lib -package:speculate -package:ViennaRNAParser -package:ghc -is:exact -package:language-c -package:bytestring 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.