diff options
Diffstat (limited to 'src/libcollections/string.rs')
| -rw-r--r-- | src/libcollections/string.rs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs index a37a26ef22a..be6405dc85a 100644 --- a/src/libcollections/string.rs +++ b/src/libcollections/string.rs @@ -951,12 +951,13 @@ impl<'a> Deref for DerefString<'a> { /// # #![feature(collections)] /// use std::string::as_string; /// -/// fn string_consumer(s: String) { -/// assert_eq!(s, "foo".to_string()); +/// // Let's pretend we have a function that requires `&String` +/// fn string_consumer(s: &String) { +/// assert_eq!(s, "foo"); /// } /// -/// let string = as_string("foo").clone(); -/// string_consumer(string); +/// // Provide a `&String` from a `&str` without allocating +/// string_consumer(&as_string("foo")); /// ``` #[unstable(feature = "collections")] pub fn as_string<'a>(x: &'a str) -> DerefString<'a> { |