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102 |
102 |
103 |
103 |
104 // A parser for palindromes (just returns them as string) |
104 // A parser for palindromes (just returns them as string) |
105 lazy val Pal : Parser[String, String] = { |
105 lazy val Pal : Parser[String, String] = { |
106 ((p"a" ~ Pal) ~ p"a").map{ case ((x, y), z) => s"$x$y$z" } || |
106 ((p"a" ~ Pal) ~ p"a").map{ case ((x, y), z) => s"$x$y$z" } || |
107 (p"b" ~ Pal ~ p"b").map{ case ((x, y), z) => s"$x$y$z" } || |
107 (p"b" ~ Pal ~ p"b").map{ case ((x, y), z) => s"$x$y$z" } || |
108 p"a" || p"b" || p"" |
108 p"a" || p"b" || p"" |
109 } |
109 } |
110 |
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111 def foo(x: Int) = |
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112 println(s"$x + $x = ${x + x}") |
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113 |
110 |
114 // examples |
111 // examples |
115 Pal.parse_all("abaaaba") |
112 Pal.parse_all("abaaaba") |
116 Pal.parse("abaaaba") |
113 Pal.parse("abaaaba") |
117 |
114 |