examples

examples/src/HelloNamesRealistic.kt

@@ -0,0 +1,32 @@
+namespace HelloNamesRealistic
+
+fun main(args : Array<String>) {
+    val names = args.join(", ")
+    println("Hello, $names!")
+}
+
+fun println(message : String) {
+    // System.out is a nullable field
+    System.out?.println(message)
+}
+
+fun <T> Iterable<T>.join(separator : String) : String? {
+    val names = StringBuilder()
+    forit (this) {(it: Iterator<T>): Unit =>
+        names += it.next()
+        if (it.hasNext())
+            names += separator
+    }
+    return names.toString()
+}
+
+fun <T> forit(col : Iterable<T>, f : fun(Iterator<T>) : Unit) {
+    val it = col.iterator()
+    while (it.hasNext()) {
+        f(it)
+    }
+}
+
+fun StringBuilder.plusAssign(s : String) {
+    this.append(s)
+}

examples/src/Point.kt

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+class Point(val x: Int, val y: Int) {
+    fun toString() = "($x,$y)"
+
+    fun distanceTo(other: Point): Double {
+        val dx = x - other.x
+        val dy = y - other.y
+        return Math.sqrt((dx*dx + dy*dy).dbl)
+    }
+}
+
+fun main(args: Array<String>) {
+    var p = Point(0, 0)
+    var q = Point(1, 1)
+    p.distanceTo(q)
+
+
+}