[docs] add comment for rust::Str size and length

The presence of `size` and `length` confused me, adding a small comment to make it more clear for future readers.
dtolnay · Apr 12, 2022 · 3618033 · 3618033
1 parent d8f9c9d
commit 3618033
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/book/src/binding/str.md b/book/src/binding/str.md
@@ -28,7 +28,9 @@ public:
 
   // Note: no null terminator.
   const char *data() const noexcept;
+  // Length in bytes
   size_t size() const noexcept;
+  // Length in bytes (alias for `size()`)
   size_t length() const noexcept;
   bool empty() const noexcept;