---

marijnh · marijnh · commit 4619d30dd24c · 2012-01-04T17:30:36.000+01:00
yaml --- r: 7023 b: refs/heads/master c: e11d207 h: refs/heads/master i: 7021: 7c1be13 7019: d1a9143 7015: 9c35b63 7007: 38503e6 v: v3
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a7e1a35f8836f78894a4499ac7bebcc76472f172
+refs/heads/master: e11d20711335111073826d7b553ca4839c590a04
diff --git a/trunk/src/libcore/either.rs b/trunk/src/libcore/either.rs
@@ -103,6 +103,24 @@ pure fn to_result<copy T, copy U>(eith: t<T, U>) -> result::t<U, T> {
     }
 }
 
+/*
+Function: is_left
+
+Checks whether the given value is a left
+*/
+pure fn is_left<T, U>(eith: t<T, U>) -> bool {
+    alt eith { left(_) { true } _ { false } }
+}
+
+/*
+Function: is_left
+
+Checks whether the given value is a right
+*/
+pure fn is_right<T, U>(eith: t<T, U>) -> bool {
+    alt eith { right(_) { true } _ { false } }
+}
+
 //
 // Local Variables:
 // mode: rust

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`	`1`	`---`
`2`		`-refs/heads/master: a7e1a35f8836f78894a4499ac7bebcc76472f172`
	`2`	`+refs/heads/master: e11d20711335111073826d7b553ca4839c590a04`