'quick' directory renamed to 'tests' which reflects its contents

2011-12-01 14:40:31 +03:00
parent 8e8d74e199
commit aad2d17cd8
213 changed files with 2 additions and 2 deletions
@@ -0,0 +1,40 @@
+namespace variance
+
+abstract class Consumer<in T> {}
+
+abstract class Producer<out T> {}
+
+abstract class Usual<T> {}
+
+fun foo(c: Consumer<Int>, p: Producer<Int>, u: Usual<Int>) {
+    val c1: Consumer<Any> = <!TYPE_MISMATCH!>c<!>
+    val <!UNUSED_VARIABLE!>c2<!>: Consumer<Int> = c1
+
+    val p1: Producer<Any> = p
+    val <!UNUSED_VARIABLE!>p2<!>: Producer<Int> = <!TYPE_MISMATCH!>p1<!>
+
+    val u1: Usual<Any> = <!TYPE_MISMATCH!>u<!>
+    val <!UNUSED_VARIABLE!>u2<!>: Usual<Int> = <!TYPE_MISMATCH!>u1<!>
+}
+
+//Arrays copy example
+class Array<T>(val length : Int, val t : T) {
+    fun get(<!UNUSED_PARAMETER!>index<!> : Int) : T { return t }
+    fun set(<!UNUSED_PARAMETER!>index<!> : Int, <!UNUSED_PARAMETER!>value<!> : T) { /* ... */ }
+}
+
+fun copy1(<!UNUSED_PARAMETER!>from<!> : Array<Any>, <!UNUSED_PARAMETER!>to<!> : Array<Any>) {}
+
+fun copy2(<!UNUSED_PARAMETER!>from<!> : Array<out Any>, <!UNUSED_PARAMETER!>to<!> : Array<in Any>) {}
+
+fun <T> copy3(<!UNUSED_PARAMETER!>from<!> : Array<out T>, <!UNUSED_PARAMETER!>to<!> : Array<in T>) {}
+
+fun copy4(<!UNUSED_PARAMETER!>from<!> : Array<out Number>, <!UNUSED_PARAMETER!>to<!> : Array<in Int>) {}
+
+fun f(ints: Array<Int>, any: Array<Any>, numbers: Array<Number>) {
+    copy1(<!TYPE_MISMATCH!>ints<!>, any)
+    copy2(ints, any) //ok
+    copy2(ints, <!TYPE_MISMATCH!>numbers<!>)
+    copy3<Int>(ints, numbers)
+    copy4(ints, numbers) //ok
+}