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-rw-r--r--tests/ui/rust-2021/future-prelude-collision-macros.fixed45
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/ui/rust-2021/future-prelude-collision-macros.fixed b/tests/ui/rust-2021/future-prelude-collision-macros.fixed
new file mode 100644
index 000000000..a97dc176e
--- /dev/null
+++ b/tests/ui/rust-2021/future-prelude-collision-macros.fixed
@@ -0,0 +1,45 @@
+// run-rustfix
+// edition:2018
+// check-pass
+#![warn(rust_2021_prelude_collisions)]
+#![allow(unreachable_code)]
+
+macro_rules! foo {
+ () => {{
+ 123;
+ S
+ }};
+}
+
+trait MyTry<T> {
+ fn try_into(self, _: u8);
+}
+
+struct S;
+
+impl MyTry<i32> for S {
+ fn try_into(self, _: u8) {}
+}
+
+trait TryFromU8: Sized {
+ fn try_from(_: u8);
+}
+
+impl TryFromU8 for u32 {
+ fn try_from(_: u8) {}
+}
+
+macro_rules! bar {
+ () => {
+ u32
+ };
+}
+
+fn main() {
+ MyTry::try_into(foo!(), todo!());
+ //~^ WARNING trait method `try_into` will become ambiguous in Rust 2021
+ //~| WARNING this is accepted in the current edition
+ <bar!() as TryFromU8>::try_from(0);
+ //~^ WARNING trait-associated function `try_from` will become ambiguous in Rust 2021
+ //~| WARNING this is accepted in the current edition
+}