-- Hoogle documentation, generated by Haddock -- See Hoogle, http://www.haskell.org/hoogle/ -- | convert infix to prefix expression @package prefix-expression @version 1.2.2 -- | Convert infix exp to prefix exp. The expression's operators contains: -- + - * / ^ || && ! =~ ( ) module Text.Exp.Prefix -- | parse a infix expression to prefix expression in a stack. fromInfix :: String -> Either String String