Contents

import scala.util.parsing.combinator.RegexParsers

object Brackets extends RegexParsers {
  lazy val t = "[^\\[\\]\\(\\)\\{\\}]+".r

  private def paren: Parser[String] =
    ("(" ~ rep1(t | paren) ~ ")" |
      "[" ~ rep1(t | paren) ~ "]" |
      "{" ~ rep1(t | paren) ~ "}" |
      "(" ~ ")" |
      "[" ~ "]" |
      "{" ~ "}" |
      t) ^^ {
      case _ => ""
    }

  private def all = rep(paren)

  def areBalanced(s: String) = this.parseAll(all, s) match {
    case NoSuccess(_, _) => false
    case Success(_, _) => true
  }
}

Version data entries

215 entries across 215 versions & 1 rubygems

Version	Path
trackler-2.2.1.6	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.1.5	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.1.4	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.1.3	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.1.2	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.1.1	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.1.0	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.0.6	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.0.5	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.0.4	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.0.3	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.0.2	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.0.1	tracks/scala/exercises/bracket-push/example.scala
trackler-2.2.0.0	tracks/scala/exercises/bracket-push/example.scala
trackler-2.1.0.55	tracks/scala/exercises/bracket-push/example.scala
trackler-2.1.0.54	tracks/scala/exercises/bracket-push/example.scala
trackler-2.1.0.53	tracks/scala/exercises/bracket-push/example.scala
trackler-2.1.0.52	tracks/scala/exercises/bracket-push/example.scala
trackler-2.1.0.51	tracks/scala/exercises/bracket-push/example.scala
trackler-2.1.0.50	tracks/scala/exercises/bracket-push/example.scala