diff options
Diffstat (limited to 'src/test/ui/variance')
-rw-r--r-- | src/test/ui/variance/variance-regions-unused-indirect.rs | 1 | ||||
-rw-r--r-- | src/test/ui/variance/variance-regions-unused-indirect.stderr | 30 |
2 files changed, 28 insertions, 3 deletions
diff --git a/src/test/ui/variance/variance-regions-unused-indirect.rs b/src/test/ui/variance/variance-regions-unused-indirect.rs index 1514e3956..6c2c24ddb 100644 --- a/src/test/ui/variance/variance-regions-unused-indirect.rs +++ b/src/test/ui/variance/variance-regions-unused-indirect.rs @@ -1,6 +1,7 @@ // Test that disallow lifetime parameters that are unused. enum Foo<'a> { //~ ERROR parameter `'a` is never used + //~^ ERROR recursive types `Foo` and `Bar` have infinite size Foo1(Bar<'a>) } diff --git a/src/test/ui/variance/variance-regions-unused-indirect.stderr b/src/test/ui/variance/variance-regions-unused-indirect.stderr index 93710cc13..14fdd8492 100644 --- a/src/test/ui/variance/variance-regions-unused-indirect.stderr +++ b/src/test/ui/variance/variance-regions-unused-indirect.stderr @@ -1,3 +1,26 @@ +error[E0072]: recursive types `Foo` and `Bar` have infinite size + --> $DIR/variance-regions-unused-indirect.rs:3:1 + | +LL | enum Foo<'a> { + | ^^^^^^^^^^^^ +LL | +LL | Foo1(Bar<'a>) + | ------- recursive without indirection +... +LL | enum Bar<'a> { + | ^^^^^^^^^^^^ +LL | Bar1(Foo<'a>) + | ------- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle + | +LL ~ Foo1(Box<Bar<'a>>) +LL | } +LL | +LL | enum Bar<'a> { +LL ~ Bar1(Box<Foo<'a>>) + | + error[E0392]: parameter `'a` is never used --> $DIR/variance-regions-unused-indirect.rs:3:10 | @@ -7,13 +30,14 @@ LL | enum Foo<'a> { = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData` error[E0392]: parameter `'a` is never used - --> $DIR/variance-regions-unused-indirect.rs:7:10 + --> $DIR/variance-regions-unused-indirect.rs:8:10 | LL | enum Bar<'a> { | ^^ unused parameter | = help: consider removing `'a`, referring to it in a field, or using a marker such as `PhantomData` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0392`. +Some errors have detailed explanations: E0072, E0392. +For more information about an error, try `rustc --explain E0072`. |