---

yaml
---
r: 3169
b: refs/heads/master
c: 0efd7fa
h: refs/heads/master
i:
  3167: 00683a1
v: v3

Author: brson

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 49a4867da6ba4ef1f6ee4977b243acc0953dda25
+refs/heads/master: 0efd7fac8a3dbcf7c8bd19ea2ace05e4898bafae

trunk/src/lib/option.rs

@@ -21,6 +21,10 @@ fn is_none[T](&t[T] opt) -> bool {
     ret alt (opt) { case (none) { true } case (some(_)) { false } };
 }
 
+fn is_some[T](&t[T] opt) -> bool {
+    ret !is_none(opt);
+}
+
 fn from_maybe[T](&T def, &t[T] opt) -> T {
     auto f = bind util::id[T](_);
     ret maybe[T, T](def, f, opt);