mirror of https://github.com/rust-lang/rust
42 lines
999 B
Rust
42 lines
999 B
Rust
//@ run-rustfix
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//@ check-pass
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#![deny(explicit_outlives_requirements)]
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pub trait TypeCx {
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type Ty;
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}
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pub struct Pat<Cx: TypeCx> {
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pub ty: Cx::Ty,
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}
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// Simple recursive case: no warning
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pub struct MyTypeContextSimpleRecursive<'thir, 'tcx: 'thir> {
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pub pat: Pat<MyTypeContextSimpleRecursive<'thir, 'tcx>>,
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}
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impl<'thir, 'tcx: 'thir> TypeCx for MyTypeContextSimpleRecursive<'thir, 'tcx> {
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type Ty = ();
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}
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// Non-recursive case: we want a warning
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pub struct MyTypeContextNotRecursive<'thir, 'tcx: 'thir> {
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pub tcx: &'tcx (),
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pub thir: &'thir (),
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}
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impl<'thir, 'tcx: 'thir> TypeCx for MyTypeContextNotRecursive<'thir, 'tcx> {
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type Ty = ();
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}
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// Mixed-recursive case: we want a warning
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pub struct MyTypeContextMixedRecursive<'thir, 'tcx: 'thir> {
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pub pat: Pat<MyTypeContextMixedRecursive<'thir, 'tcx>>,
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pub tcx: &'tcx (),
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pub thir: &'thir (),
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}
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impl<'thir, 'tcx: 'thir> TypeCx for MyTypeContextMixedRecursive<'thir, 'tcx> {
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type Ty = ();
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}
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fn main() {}
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