diff options
Diffstat (limited to 'components/script/dom/bindings/conversions.rs')
| -rw-r--r-- | components/script/dom/bindings/conversions.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/components/script/dom/bindings/conversions.rs b/components/script/dom/bindings/conversions.rs index 665a29efb3c..e27813d20f9 100644 --- a/components/script/dom/bindings/conversions.rs +++ b/components/script/dom/bindings/conversions.rs @@ -67,7 +67,8 @@ pub trait IDLInterface { } /// A trait to mark an IDL interface as deriving from another one. -#[rustc_on_unimplemented = "The IDL interface `{Self}` is not derived from `{T}`."] +#[cfg_attr(feature = "unstable", + rustc_on_unimplemented = "The IDL interface `{Self}` is not derived from `{T}`.")] pub trait DerivedFrom<T: Castable>: Castable {} // https://heycam.github.io/webidl/#es-object |