Really Basic Rapture XML basic demo

xmldemo.scala

Welcome to Scala version 2.11.7 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_45).
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scala> import rapture.xml._
import rapture.xml._

scala> import xmlBackends.stdlib._
import xmlBackends.stdlib._

scala> val x1 = xml"<foo><bar/></foo>"
x1: rapture.xml.Xml = <foo><bar/></foo>

scala> val x2 = xml"<foo><bar></foo>"
<console>:16: error: failed to parse Xml literal: expected 'b', but found 'f'
       val x2 = xml"<foo><bar></foo>"
                                ^

scala> val x2 = xml"<foo><bar/></baz>"
<console>:16: error: failed to parse Xml literal: expected 'f', but found 'b'
       val x2 = xml"<foo><bar/></baz>"
                                 ^

scala> val x2 = xml"<foo><bar/></foo"
<console>:16: error: failed to parse Xml literal: expected '>', but found end of input
       val x2 = xml"<foo><bar/></foo"
                                    ^

scala> val x2 = xml"""<foo att="quux"><bar/></foo>"""
x2: rapture.xml.Xml = <foo att="quux"><bar/></foo>

scala> x2.bar
res0: rapture.xml.Xml = <bar/>

scala> val x3 = xml"""<x><item id="1"/><item id="2"/><item id="3">three</item></x>"""
x3: rapture.xml.Xml = <x><item id="1"/><item id="2"/><item id="3">three</item></x>

scala> x3.item
res1: rapture.xml.Xml = <item id="1"/><item id="2"/><item id="3">three</item>

scala> x3.item(1)
res2: rapture.xml.Xml = <item id="2"/>

scala> x2.item(2)
res4: rapture.xml.Xml = undefined

scala> x3.item(2).as[String]
res5: String = three

scala> case class Foo(a: Int, b: String, c: Double)
defined class Foo

scala> Xml(Foo(1, "two", 3.0))
<console>:19: warning: method any2ArrowAssoc in trait DeprecatedPredef is deprecated: Use `ArrowAssoc`
       Xml(Foo(1, "two", 3.0))
          ^
res6: rapture.xml.Xml = <a>1</a><b>two</b><c>3.0</c>

scala> case class Bar(foo: Foo, baz: Boolean)
defined class Bar

scala> Xml(Bar(Foo(1, "two", 3.0), true))
<console>:21: warning: method any2ArrowAssoc in trait DeprecatedPredef is deprecated: Use `ArrowAssoc`
       Xml(Bar(Foo(1, "two", 3.0), true))
          ^
res7: rapture.xml.Xml = <foo><a>1</a><b>two</b><c>3.0</c></foo><baz>true</baz>

scala> xml"""<foo>42</foo>"""
res12: rapture.xml.Xml = <foo>42</foo>

scala> res12.as[Int]
<console>:18: error: cannot extract type Int from rapture.xml.Xml.
       res12.as[Int]
               ^

scala> implicit val intExt = Xml.extractor[String].map(_.toInt)
intExt: rapture.data.Extractor[Int,rapture.xml.Xml]{type Throws = rapture.data.DataGetException with Exception} = rapture.data.Extractor$$anon$7@4ef52ca7

scala> res12.as[Int]
res15: Int = 42