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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/doc/book/redirects/references-and-borrowing.md | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/doc/book/redirects/references-and-borrowing.md')
-rw-r--r-- | src/doc/book/redirects/references-and-borrowing.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/doc/book/redirects/references-and-borrowing.md b/src/doc/book/redirects/references-and-borrowing.md new file mode 100644 index 000000000..7eb8da2bd --- /dev/null +++ b/src/doc/book/redirects/references-and-borrowing.md @@ -0,0 +1,24 @@ +% References and Borrowing + +<small>There is a new edition of the book and this is an old link.</small> + +> A reference _refers_ to a value but does not own it. +> Because it does not own it, the value it points to will not be dropped when the reference goes out of scope. + +```rust +fn calculate_length(s: &String) -> usize { // s is a reference to a String + s.len() +} // Here, s goes out of scope. But because it does not have ownership of what + // it refers to, nothing happens. +``` + +--- + +Here are the relevant sections in the new and old books: + +* **[in the current edition: Ch 4.02 — References and Borrowing][2]** +* <small>[In the first edition: Ch 3.9 — References and Borrowing][1]</small> + + +[1]: https://doc.rust-lang.org/1.30.0/book/first-edition/references-and-borrowing.html +[2]: ch04-02-references-and-borrowing.html |