first test of sendable fns (passes)

Author: nikomatsakis

src/test/run-pass/sendfn-spawn-with-fn-arg.rs

@@ -0,0 +1,20 @@
+use std;
+
+import std::comm;
+import std::comm::chan;
+import std::comm::send;
+
+fn main() { test05(); }
+
+fn test05_start(&&f: sendfn(int)) {
+    f(22);
+}
+
+fn test05() {
+    let three = ~3;
+    let fn_to_send = sendfn(n: int) {
+        log_err *three + n; // will copy x into the closure
+        assert(*three == 3);
+    };
+    task::spawn(fn_to_send, test05_start);
+}