Update library/core/src/option.rs

Co-authored-by: Mara Bos <m-ou.se@m-ou.se>
2020-10-23 11:08:09 +02:00 · 2020-10-23 11:08:09 +02:00 · 39557799c7
parent cc8b77a7cf
commit 39557799c7
1 changed files with 2 additions and 0 deletions
--- a/library/core/src/option.rs
+++ b/library/core/src/option.rs
@ -568,6 +568,8 @@ impl<T> Option<T> {

    /// Inserts `value` into the option then returns a mutable reference to it.
    ///
+    /// If the option already contains a value, the old value is dropped.
+    ///
    /// # Example
    ///
    /// ```