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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /src/test/ui/unboxed-closures/type-id-higher-rank.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/unboxed-closures/type-id-higher-rank.rs')
-rw-r--r--src/test/ui/unboxed-closures/type-id-higher-rank.rs72
1 files changed, 0 insertions, 72 deletions
diff --git a/src/test/ui/unboxed-closures/type-id-higher-rank.rs b/src/test/ui/unboxed-closures/type-id-higher-rank.rs
deleted file mode 100644
index 1f8aec205..000000000
--- a/src/test/ui/unboxed-closures/type-id-higher-rank.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-// run-pass
-// Test that type IDs correctly account for higher-rank lifetimes
-// Also acts as a regression test for an ICE (issue #19791)
-
-use std::any::{Any, TypeId};
-
-struct Struct<'a>(#[allow(unused_tuple_struct_fields)] &'a ());
-trait Trait<'a> {}
-
-fn main() {
- // Bare fns
- {
- let a = TypeId::of::<fn(&'static isize, &'static isize)>();
- let b = TypeId::of::<for<'a> fn(&'static isize, &'a isize)>();
- let c = TypeId::of::<for<'a, 'b> fn(&'a isize, &'b isize)>();
- let d = TypeId::of::<for<'a, 'b> fn(&'b isize, &'a isize)>();
- assert!(a != b);
- assert!(a != c);
- assert!(a != d);
- assert!(b != c);
- assert!(b != d);
- assert_eq!(c, d);
-
- // Make sure De Bruijn indices are handled correctly
- let e = TypeId::of::<for<'a> fn(fn(&'a isize) -> &'a isize)>();
- let f = TypeId::of::<fn(for<'a> fn(&'a isize) -> &'a isize)>();
- assert!(e != f);
-
- // Make sure lifetime parameters of items are not ignored.
- let g = TypeId::of::<for<'a> fn(&'a dyn Trait<'a>) -> Struct<'a>>();
- let h = TypeId::of::<for<'a> fn(&'a dyn Trait<'a>) -> Struct<'static>>();
- let i = TypeId::of::<for<'a, 'b> fn(&'a dyn Trait<'b>) -> Struct<'b>>();
- assert!(g != h);
- assert!(g != i);
- assert!(h != i);
-
- // Make sure lifetime anonymization handles nesting correctly
- let j = TypeId::of::<fn(for<'a> fn(&'a isize) -> &'a usize)>();
- let k = TypeId::of::<fn(for<'b> fn(&'b isize) -> &'b usize)>();
- assert_eq!(j, k);
- }
- // Boxed unboxed closures
- {
- let a = TypeId::of::<Box<dyn Fn(&'static isize, &'static isize)>>();
- let b = TypeId::of::<Box<dyn for<'a> Fn(&'static isize, &'a isize)>>();
- let c = TypeId::of::<Box<dyn for<'a, 'b> Fn(&'a isize, &'b isize)>>();
- let d = TypeId::of::<Box<dyn for<'a, 'b> Fn(&'b isize, &'a isize)>>();
- assert!(a != b);
- assert!(a != c);
- assert!(a != d);
- assert!(b != c);
- assert!(b != d);
- assert_eq!(c, d);
-
- // Make sure De Bruijn indices are handled correctly
- let e = TypeId::of::<Box<dyn for<'a> Fn(Box<dyn Fn(&'a isize) -> &'a isize>)>>();
- let f = TypeId::of::<Box<dyn Fn(Box<dyn for<'a> Fn(&'a isize) -> &'a isize>)>>();
- assert!(e != f);
- }
- // Raw unboxed closures
- // Note that every unboxed closure has its own anonymous type,
- // so no two IDs should equal each other, even when compatible
- {
- let a = id(|_: &isize, _: &isize| {});
- let b = id(|_: &isize, _: &isize| {});
- assert!(a != b);
- }
-
- fn id<T:Any>(_: T) -> TypeId {
- TypeId::of::<T>()
- }
-}