summaryrefslogtreecommitdiffstats
path: root/src/test/ui/type/type-alias-bounds.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/ui/type/type-alias-bounds.rs')
-rw-r--r--src/test/ui/type/type-alias-bounds.rs59
1 files changed, 0 insertions, 59 deletions
diff --git a/src/test/ui/type/type-alias-bounds.rs b/src/test/ui/type/type-alias-bounds.rs
deleted file mode 100644
index e49731725..000000000
--- a/src/test/ui/type/type-alias-bounds.rs
+++ /dev/null
@@ -1,59 +0,0 @@
-// Test `ignored_generic_bounds` lint warning about bounds in type aliases.
-
-// check-pass
-#![allow(dead_code)]
-
-use std::rc::Rc;
-
-type SVec<T: Send + Send> = Vec<T>;
-//~^ WARN bounds on generic parameters are not enforced in type aliases [type_alias_bounds]
-type S2Vec<T> where T: Send = Vec<T>;
-//~^ WARN where clauses are not enforced in type aliases [type_alias_bounds]
-type VVec<'b, 'a: 'b + 'b> = (&'b u32, Vec<&'a i32>);
-//~^ WARN bounds on generic parameters are not enforced in type aliases [type_alias_bounds]
-type WVec<'b, T: 'b + 'b> = (&'b u32, Vec<T>);
-//~^ WARN bounds on generic parameters are not enforced in type aliases [type_alias_bounds]
-type W2Vec<'b, T> where T: 'b, T: 'b = (&'b u32, Vec<T>);
-//~^ WARN where clauses are not enforced in type aliases [type_alias_bounds]
-
-static STATIC: u32 = 0;
-
-fn foo<'a>(y: &'a i32) {
- // If any of the bounds above would matter, the code below would be rejected.
- // This can be seen when replacing the type aliases above by newtype structs.
- // (The type aliases have no unused parameters to make that a valid transformation.)
- let mut x: SVec<_> = Vec::new();
- x.push(Rc::new(42)); // is not send
-
- let mut x: S2Vec<_> = Vec::new();
- x.push(Rc::new(42)); // is not `Send`
-
- let mut x: VVec<'static, 'a> = (&STATIC, Vec::new());
- x.1.push(y); // `'a: 'static` does not hold
-
- let mut x: WVec<'static, &'a i32> = (&STATIC, Vec::new());
- x.1.push(y); // `&'a i32: 'static` does not hold
-
- let mut x: W2Vec<'static, &'a i32> = (&STATIC, Vec::new());
- x.1.push(y); // `&'a i32: 'static` does not hold
-}
-
-// Bounds are not checked either; i.e., the definition is not necessarily well-formed.
-struct Sendable<T: Send>(T);
-type MySendable<T> = Sendable<T>; // no error here!
-
-// However, bounds *are* taken into account when accessing associated types
-trait Bound { type Assoc; }
-type T1<U: Bound> = U::Assoc; //~ WARN not enforced in type aliases
-type T2<U> where U: Bound = U::Assoc; //~ WARN not enforced in type aliases
-
-// This errors:
-// `type T3<U> = U::Assoc;`
-// Do this instead:
-type T4<U> = <U as Bound>::Assoc;
-
-// Make sure the help about associated types is not shown incorrectly
-type T5<U: Bound> = <U as Bound>::Assoc; //~ WARN not enforced in type aliases
-type T6<U: Bound> = ::std::vec::Vec<U>; //~ WARN not enforced in type aliases
-
-fn main() {}