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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-19404.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-19404.rs b/src/test/ui/issues/issue-19404.rs new file mode 100644 index 000000000..f1cf1feb0 --- /dev/null +++ b/src/test/ui/issues/issue-19404.rs @@ -0,0 +1,37 @@ +// build-pass +#![allow(dead_code)] +#![allow(unused_variables)] +use std::any::TypeId; +use std::rc::Rc; + +type Fp<T> = Rc<T>; + +struct Engine; + +trait Component: 'static {} +impl Component for Engine {} + +trait Env { + fn get_component_type_id(&self, type_id: TypeId) -> Option<Fp<dyn Component>>; +} + +impl<'a> dyn Env + 'a { + fn get_component<T: Component>(&self) -> Option<Fp<T>> { + let x = self.get_component_type_id(TypeId::of::<T>()); + None + } +} + +trait Figment { + fn init(&mut self, env: &dyn Env); +} + +struct MyFigment; + +impl Figment for MyFigment { + fn init(&mut self, env: &dyn Env) { + let engine = env.get_component::<Engine>(); + } +} + +fn main() {} |