diff options
| -rw-r--r-- | src/liballoc/sync.rs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/liballoc/sync.rs b/src/liballoc/sync.rs index 2cd7898f4c7..db7a4044b26 100644 --- a/src/liballoc/sync.rs +++ b/src/liballoc/sync.rs @@ -49,9 +49,10 @@ const MAX_REFCOUNT: usize = (isize::MAX) as usize; /// /// The type `Arc<T>` provides shared ownership of a value of type `T`, /// allocated in the heap. Invoking [`clone`][clone] on `Arc` produces -/// a new pointer to the same value in the heap. When the last `Arc` -/// pointer to a given value is destroyed, the pointed-to value is -/// also destroyed. +/// a new `Arc` instance, which points to the same value on the heap as the +/// source `Arc`, while increasing a reference count. When the last `Arc` +/// pointer to a given value is destroyed, the pointed-to value is also +/// destroyed. /// /// Shared references in Rust disallow mutation by default, and `Arc` is no /// exception: you cannot generally obtain a mutable reference to something @@ -107,7 +108,7 @@ const MAX_REFCOUNT: usize = (isize::MAX) as usize; /// // The two syntaxes below are equivalent. /// let a = foo.clone(); /// let b = Arc::clone(&foo); -/// // a and b both point to the same memory location as foo. +/// // a, b, and foo are all Arcs that point to the same memory location /// ``` /// /// The [`Arc::clone(&from)`] syntax is the most idiomatic because it conveys more explicitly |