diff --git a/src/doc/trpl/ffi.md b/src/doc/trpl/ffi.md index 20b0ffc1b2862..018f35337f3c0 100644 --- a/src/doc/trpl/ffi.md +++ b/src/doc/trpl/ffi.md @@ -170,6 +170,8 @@ Foreign libraries often hand off ownership of resources to the calling code. When this occurs, we must use Rust's destructors to provide safety and guarantee the release of these resources (especially in the case of panic). +For more about destructors, see the [Drop trait](../std/ops/trait.Drop.html). + # Callbacks from C code to Rust functions Some external libraries require the usage of callbacks to report back their