---

yaml
---
r: 13107
b: refs/heads/master
c: 5b8abec
h: refs/heads/master
i:
  13105: 7d188b2
  13103: 9ea7817
v: v3

Author: nikomatsakis

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 6dc4bc517ad0283aa28c72a3f15d3b5611882987
+refs/heads/master: 5b8abec92f6099fe0603d321a0fb5847bf283cbd
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 4a81779abd786ff22d71434c6d9a5917ea4cdfff
 refs/heads/try: 2898dcc5d97da9427ac367542382b6239d9c0bbf

trunk/src/test/compile-fail/pure-subtyping.rs

@@ -0,0 +1,22 @@
+// Test rules governing higher-order pure fns.
+
+fn assign_to_pure(x: pure fn(), y: fn(), z: unsafe fn()) {
+    let a: pure fn() = x;
+    let b: pure fn() = y; //! ERROR expected pure fn but found impure fn
+    let c: pure fn() = z; //! ERROR expected pure fn but found unsafe fn
+}
+
+fn assign_to_impure(x: pure fn(), y: fn(), z: unsafe fn()) {
+    let h: fn() = x;
+    let i: fn() = y;
+    let j: fn() = z; //! ERROR expected impure fn but found unsafe fn
+}
+
+fn assign_to_unsafe(x: pure fn(), y: fn(), z: unsafe fn()) {
+    let m: unsafe fn() = x;
+    let n: unsafe fn() = y;
+    let o: unsafe fn() = z;
+}
+
+fn main() {
+}