From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../ui/object-safety/object-safety-generics.rs | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 src/test/ui/object-safety/object-safety-generics.rs (limited to 'src/test/ui/object-safety/object-safety-generics.rs') diff --git a/src/test/ui/object-safety/object-safety-generics.rs b/src/test/ui/object-safety/object-safety-generics.rs new file mode 100644 index 000000000..63dcd1699 --- /dev/null +++ b/src/test/ui/object-safety/object-safety-generics.rs @@ -0,0 +1,39 @@ +// Check that we correctly prevent users from making trait objects +// from traits with generic methods, unless `where Self : Sized` is +// present. +// revisions: curr object_safe_for_dispatch + +#![cfg_attr(object_safe_for_dispatch, feature(object_safe_for_dispatch))] + + +trait Bar { + fn bar(&self, t: T); +} + +trait Quux { + fn bar(&self, t: T) + where Self : Sized; +} + +fn make_bar(t: &T) -> &dyn Bar { + //[curr]~^ ERROR E0038 + t + //[object_safe_for_dispatch]~^ ERROR E0038 +} + +fn make_bar_explicit(t: &T) -> &dyn Bar { + //[curr]~^ ERROR E0038 + t as &dyn Bar + //[object_safe_for_dispatch]~^ ERROR E0038 +} + +fn make_quux(t: &T) -> &dyn Quux { + t +} + +fn make_quux_explicit(t: &T) -> &dyn Quux { + t as &dyn Quux +} + +fn main() { +} -- cgit v1.2.3