about summary refs log tree commit diff
path: root/src/test/ui/rust-2021/inherent-dyn-collision.fixed
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/rust-2021/inherent-dyn-collision.fixed')
-rw-r--r--src/test/ui/rust-2021/inherent-dyn-collision.fixed53
1 files changed, 0 insertions, 53 deletions
diff --git a/src/test/ui/rust-2021/inherent-dyn-collision.fixed b/src/test/ui/rust-2021/inherent-dyn-collision.fixed
deleted file mode 100644
index 5789a90393b..00000000000
--- a/src/test/ui/rust-2021/inherent-dyn-collision.fixed
+++ /dev/null
@@ -1,53 +0,0 @@
-// Test case where the method we want is an inherent method on a
-// dyn Trait. In that case, the fix is to insert `*` on the receiver.
-//
-// check-pass
-// run-rustfix
-// edition:2018
-
-#![warn(rust_2021_prelude_collisions)]
-
-trait TryIntoU32 {
-    fn try_into(&self) -> Result<u32, ()>;
-}
-
-impl TryIntoU32 for u8 {
-    // note: &self
-    fn try_into(&self) -> Result<u32, ()> {
-        Ok(22)
-    }
-}
-
-mod inner {
-    use super::get_dyn_trait;
-
-    // note: this does nothing, but is copying from ffishim's problem of
-    // having a struct of the same name as the trait in-scope, while *also*
-    // implementing the trait for that struct but **without** importing the
-    // trait itself into scope
-    struct TryIntoU32;
-
-    impl super::TryIntoU32 for TryIntoU32 {
-        fn try_into(&self) -> Result<u32, ()> {
-            Ok(0)
-        }
-    }
-
-    // this is where the gross part happens. since `get_dyn_trait` returns
-    // a Box<dyn Trait>, it can still call the method for `dyn Trait` without
-    // `Trait` being in-scope. it might even be possible to make the trait itself
-    // entirely unreference-able from the callsite?
-    pub fn test() -> u32 {
-        (&*get_dyn_trait()).try_into().unwrap()
-        //~^ WARNING trait method `try_into` will become ambiguous
-        //~| WARNING this is accepted in the current edition
-    }
-}
-
-fn get_dyn_trait() -> Box<dyn TryIntoU32> {
-    Box::new(3u8) as Box<dyn TryIntoU32>
-}
-
-fn main() {
-    dbg!(inner::test());
-}