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Diffstat (limited to 'docs/examples/parsing/ListParser.scala')
| -rw-r--r-- | docs/examples/parsing/ListParser.scala | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/docs/examples/parsing/ListParser.scala b/docs/examples/parsing/ListParser.scala index 65354482f3..12805e5e50 100644 --- a/docs/examples/parsing/ListParser.scala +++ b/docs/examples/parsing/ListParser.scala @@ -16,8 +16,8 @@ object listParser { type Elem = Char lazy val ident = rep1(elem("letter", isLetter), elem("letter or digit", isLetterOrDigit)) ^^ {cs => Id(mkString(cs))} - lazy val number = chainl1(elem("digit", isDigit) ^^ (_ - '0'), success ^^ {(accum: Int, d: Int) => accum * 10 + d}) ^^ Num - lazy val list = '(' ~ repsep(expr, ',') ~ ')' ^^ Lst + lazy val number = chainl1(elem("digit", isDigit) ^^ (_ - '0'), success{(accum: Int, d: Int) => accum * 10 + d}) ^^ Num + lazy val list = '(' ~> repsep(expr, ',') <~ ')' ^^ Lst lazy val expr: Parser[Tree] = list | ident | number } |