diff options
| -rw-r--r-- | src/doc/nomicon/subtyping.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/doc/nomicon/subtyping.md b/src/doc/nomicon/subtyping.md index 3c57297f323..65dcb6a94e1 100644 --- a/src/doc/nomicon/subtyping.md +++ b/src/doc/nomicon/subtyping.md @@ -93,8 +93,8 @@ fn main() { The signature of `overwrite` is clearly valid: it takes mutable references to two values of the same type, and overwrites one with the other. If `&mut T` was -variant over T, then `&mut &'a str` would be a subtype of `&mut &'static str`, -since `&'a str` is a subtype of `&'static str`. Therefore the lifetime of +variant over T, then `&mut &'static str` would be a subtype of `&mut &'a str`, +since `&'static str` is a subtype of `&'a str`. Therefore the lifetime of `forever_str` would successfully be "shrunk" down to the shorter lifetime of `string`, and `overwrite` would be called successfully. `string` would subsequently be dropped, and `forever_str` would point to freed memory when we |