doc: Mention argument bindings in manual

This commit is contained in:
Brian Anderson 2012-12-20 17:01:38 -08:00
parent 45e62d0a14
commit 8b98e5a296

View file

@ -876,6 +876,13 @@ fn add(x: int, y: int) -> int {
} }
~~~~ ~~~~
As with `let` bindings, function arguments are irrefutable patterns,
so any pattern that is valid in a let binding is also valid as an argument.
~~~
fn first((value, _): (int, int)) -> int { value }
~~~
#### Generic functions #### Generic functions