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import scala.language.{ reflectiveCalls }
object test1 {
val o1 = new Object { override def toString = "ohone" }
val o2 = new Object { override def toString = "ohtwo" }
val t1 = new Tata("tieone")
val t2 = new Tata("tietwo")
class Tata(name: String) {
override def toString = name
def tatMe = "oy"
}
class Titi extends Tata("titi")
object Rec {
val a = 1
val b = 2
val c = "hey"
def d(x: AnyRef) = new Object { override def toString = "dee" }
def e(x: Tata) = new Tata("iei")
def f(x: Int) = x + 1
def g(x: Int) = { v = x }
def h(x: Unit) = new Object { override def toString = "eitch" }
def i(x: Array[Int]) = x(0)
def j(x: Array[AnyRef]) = x(0)
def k(x: Array[Char]) = x(0)
def l(x: Array[Unit]) = x(0)
def m(x: Array[String]) = x(0)
def n(x: Array[Tata]) = x(0)
def o: Array[Int] = Array(1, 2, 3)
def p: Array[AnyRef] = Array(o1, o2)
def q: Array[Char] = Array('1', '2')
def r: Array[Unit] = Array((), ())
def s: Array[String] = Array("one", "two")
def t: Array[Tata] = Array(t1, t2)
def u[T](f: T=>T, v:T): T = f(v)
var v = 4
var w = 11
val x = t1
val y: Tata = null
def z(t: Tata) = ()
}
type rt = Object {
val a: Int;
val c: String;
def d(x: AnyRef): AnyRef
def e(x: Tata): Tata
def f(x: Int): Int;
def h(x: Unit): AnyRef;
def i(x: Array[Int]): Int
def j(x: Array[AnyRef]): AnyRef
def k(x: Array[Char]): Char
def l(x: Array[Unit]): Unit
def m(x: Array[String]): String
def n(x: Array[Tata]): Tata
def o: Array[Int]
def p: Array[AnyRef]
def q: Array[Char]
def r: Array[Unit]
def s: Array[String]
def t: Array[Tata]
def u[T](f: T=>T, v:T): T
var v: Int
val y: Tata
}
def l (r: rt) {
println(" 1. " + r.c)
println(" 2. " + r.a + 1)
println(" 3. " + r.d(o1))
println(" 4. " + r.e(t1))
println(" 5. " + (r.f(4) + 1))
println(" 6. " + r.f(4) + 1)
println(" 7. " + r.f(r.a))
println(" 8. " + r.v)
r.v = r.v + 1
println("10. " + r.v)
println("11. " + r.h(()))
println("12. " + r.i(Array(1, 2, 3)))
println("13. " + r.j(Array(o1, o2)))
println("14. " + r.k(Array('1', '2')))
println("15. " + r.l(Array((), ())))
println("16. " + r.m(Array("one", "two")))
println("17. " + r.n(Array(t1, t2)))
println("18. " + (r.o(0) + 1))
println("19. " + (r.p(0).hashCode() > 0))
println("20. " + r.q(0))
println("21. " + r.r(0))
println("22. " + r.m(r.s))
println("23. " + r.t(0).tatMe)
println("24. " + r.u[Int](_+1,0))
println("25. " + r.y)
println("26. " + r.e(null))
}
/*def ma[T](r: Object{def e(x: T): T; val x: T}) {
println("30. " + r.e(r.x)) // static error
}*/
def mb(r: Object { def e[T](x: T): T }) {
println("31. " + r.e[Int](4)) // while this is ok
}
def m1(r: Object { def z(x: Tata): Unit }) {
println("32. " + r.z(new Titi)) // while this is ok
}
def m2[T](r: Object { def e(x: Tata): T; val x: Tata }) {
println("33. " + r.e(r.x)) // and this too
}
class Rec3[T] {
def e(x: T): T = x
}
def m3[T](r: Rec3[T], x: T) {
println("33. " + r.e(x)) // and this too
}
Rec.g(11)
this.l(Rec)
this.mb(new Object{def e[T](x: T): T = x})
this.m1(Rec)
this.m2[Tata](Rec)
this.m3[Tata](new Rec3[Tata], t1)
}
object test2 {
class C extends { def f() { println("1") } }
val x1 = new C
x1.f()
abstract class D extends { def f() }
val x2 = new D { def f() { println("2") } }
x2.f()
val x3 = new { def f() { println("3") } }
def run(x: { def f() }) { x.f() }
run(x3)
type T = { def f() }
val x4 = new AnyRef { def f() { println("4") } } // ok!
//val x4 = new T { def f() { println("4") } } // error! (bug #1241)
x4.f()
val x5: T = new { def f() { println("5") } }
x5.f()
}
object test3 {
case class Exc() extends Exception
object Rec {
def f = throw Exc()
}
def m(r: { def f: Nothing }) =
try {
r.f
}
catch {
case e: Exc => println("caught")
case e: Throwable => println(e)
}
m(Rec)
}
object test4 {
class A
val aar = Array(new A, new A, new A)
val nar = Array(1, 2)
def f(p: {def size: Int}) = println(p.size)
//def g[T <: {def size: Int}](p: T) = println(p.size) // open issue
//def h[T <% {def size: Int}](p: T) = println(p.size) // open issue
f(aar)
f(nar)
//g(aar)
//g(nar)
//h(aar)
//h(nar)
}
object Test extends App {
test1
test2
test3
test4
}
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