Merge pull request #1492 from dotty-staging/add-inline

Implement inline

1 files changed, 48 insertions, 0 deletions

diff --git a/tests/run/inlineForeach.scala b/tests/run/inlineForeach.scala
new file mode 100644
index 000000000..1389ad6c4
--- /dev/null
+++ b/tests/run/inlineForeach.scala
@@ -0,0 +1,48 @@
+object Test {
+
+  class Range(from: Int, end: Int) {
+
+    inline
+    def foreach(inline op: Int => Unit): Unit = {
+      var i = from
+      while (i < end) {
+        op(i)
+        i += 1
+      }
+    }
+
+    def filter(p: Int => Boolean): List[Int] = ???
+  }
+
+  implicit class intWrapper(private val start: Int) extends AnyVal {
+    def until(end: Int) = new Range(start, end)
+    def to(limit: Int) = new Range(start, limit + 1)
+  }
+
+  def matmul(xs: Array[Array[Double]], ys: Array[Array[Double]]): Array[Array[Double]] = {
+    def nrows = xs.length
+    def ncols = ys(0).length
+    def n = ys.length
+    assert(xs(0).length == n)
+    val zs = Array.ofDim[Double](nrows, ncols)
+    for (i <- intWrapper(0) until nrows)
+      for (j <- 0 until ncols) {
+        var x = 0.0
+        for (k <- 0 until n)
+          x += xs(i)(k) * ys(k)(j)
+        zs(i)(j) = x
+      }
+    zs
+  }
+
+  def main(args: Array[String]) = {
+    1.until(10).foreach(i => println(i))
+    1.until(10).foreach(println(_))
+    1.until(10).foreach(println)
+    for (i <- 1 to 10) println(i)
+
+    for (k1 <- 1 to 10)
+      for (k2 <- 1 to 10)
+        println(s"$k1")
+  }
+}