daniel-trinh

def pp(tree: String, indentSize: Int = 2): String = {
  var indentLevel = 0
  var outputTree = ""
  tree foreach { char => char match {
    case '(' =>
      indentLevel += 1
      outputTree += char.toString+'\n'+indents
    case ')' =>                     
      indentLevel -= 1
      outputTree += "\n" + indents + char.toString

nairbv

//quick hack to pretty-print some text:

 "((hi)(bye(yeah))((x)))".foldLeft(0){ 
    (a,b)=> { 
        var indent=a; 
        b match { 
          case '('=> println("("); indent=a+2; print(" "*indent); 
          case ')'=>println;indent=a-2;println(" "*indent + ")");print(" "*indent) 
          case x => print(x);