joost-de-vries

  /**
   * Pretty prints a Scala value similar to its source represention.
   * Particularly useful for case classes.
   * @param a - The value to pretty print.
   * @param indentSize - Number of spaces for each indent.
   * @param maxElementWidth - Largest element size before wrapping.
   * @param depth - Initial depth to pretty print indents.
   * @return
   */
object PrettyPrint {

joost-de-vries

scalaVersion := "2.11.4"

libraryDependencies += "org.scala-lang" % "scalap" % scalaVersion.value

InputKey[Unit]("scalap") := {
  import complete.DefaultParsers._
  val classes = spaceDelimited("<class names>").parsed
  val pathSeparator = java.lang.System.getProperty("path.separator")
  val classpath = "-classpath" :: (fullClasspath in Compile).value.map(_.data).mkString(pathSeparator) :: Nil
  val args = "-verbose" :: classpath ::: classes.toList

joost-de-vries

object foldfun {

  def foldr[A, B](f: A => B => B)(b: B)(s: Seq[A]): B = s match {
    case Nil => b
    case a :: as =>
      f(a)(foldr(f)(b)(as))
  }                                               //> foldr: [A, B](f: A => (B => B))(b: B)(s: Seq[A])B

  foldr { a: String => b: Int => a.toInt * b.toInt }(7)(Seq("1", "2", "3"))
                                                  //> res0: Int = 42

joost-de-vries

#!/bin/bash
#
# =========================================================================
# Copyright 2014 Rado Buransky, Dominion Marine Media
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0