---

yaml
---
r: 6984
b: refs/heads/master
c: f0e9869
h: refs/heads/master
v: v3

Author: brson

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f8d7a1c2586ad1fda7358b445114c02b048149f5
+refs/heads/master: f0e98691dbf88d0fac7ae04d131e9059d0335527

trunk/doc/tutorial/args.md

@@ -104,6 +104,9 @@ Another style is by-move, which will cause the argument to become
 de-initialized on the caller side, and give ownership of it to the
 called function. This is written `-`.
 
+Sometimes you need to pass a structural type by value, such as when
+interfacing with external native functions. This is written `++`.
+
 Finally, the default passing styles (by-value for non-structural
 types, by-reference for structural ones) are written `+` for by-value
 and `&&` for by(-immutable)-reference. It is sometimes necessary to