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  1. import language.experimental.macros
  2. import reflect.macros.Context
  3.  
  4. object Main extends App {
  5.  
  6. 	def hello(): Unit = macro hello_impl
  7.  
  8.   	def hello_impl(c: Context)(): c.Expr[Unit] = {
  9.   		import c.universe._
  10.   		reify { println("Hello World!") }	
  11.   	}
  12.  
  13. }
Runtime error #stdin #stdout #stderr 0.07s 380672KB
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Standard input is empty
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Standard output is empty
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Exception in thread "main" java.lang.NoClassDefFoundError: scala/reflect/macros/Context
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2521)
	at java.lang.Class.getMethod0(Class.java:2764)
	at java.lang.Class.getMethod(Class.java:1653)
	at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
Caused by: java.lang.ClassNotFoundException: scala.reflect.macros.Context
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 6 more
https://ideone.com/kEr6ad
language:
Scala (scala 2.12.8)
created:
9 years ago
visibility:
public

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