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Diffstat (limited to 'doc/tutorial.md')
| -rw-r--r-- | doc/tutorial.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/tutorial.md b/doc/tutorial.md index 0efe7e3fdf4..057944484ba 100644 --- a/doc/tutorial.md +++ b/doc/tutorial.md @@ -1025,6 +1025,11 @@ box, while the owner holds onto a pointer to it: list -> | Cons | 1 | ~ | -> | Cons | 2 | ~ | -> | Cons | 3 | ~ | -> | Nil | +--------------+ +--------------+ +--------------+ +--------------+ +> Note: the above diagram shows the logical contents of the enum. The actual +> memory layout of the enum may vary. For example, for the `List` enum shown +> above, Rust guarantees that there will be no enum tag field in the actual +> structure. See the language reference for more details. + An owned box is a common example of a type with a destructor. The allocated memory is cleaned up when the box is destroyed. |