From 2f2a97ee16b76a98b0646ea0730d1befed0552d6 Mon Sep 17 00:00:00 2001 From: Rageking8 Date: Thu, 27 Oct 2022 10:11:49 +0800 Subject: [PATCH] add tests and slight formatting --- ...erlap-marker-trait-with-static-lifetime.rs | 10 ++++++ ...p-marker-trait-with-underscore-lifetime.rs | 9 ++++++ ...rker-trait-with-underscore-lifetime.stderr | 31 +++++++++++++++++++ .../marker_trait_attr/overlap-marker-trait.rs | 3 +- .../overlap-marker-trait.stderr | 4 +-- ...p-permitted-for-annotated-marker-traits.rs | 3 +- 6 files changed, 56 insertions(+), 4 deletions(-) create mode 100644 src/test/ui/marker_trait_attr/overlap-marker-trait-with-static-lifetime.rs create mode 100644 src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.rs create mode 100644 src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.stderr diff --git a/src/test/ui/marker_trait_attr/overlap-marker-trait-with-static-lifetime.rs b/src/test/ui/marker_trait_attr/overlap-marker-trait-with-static-lifetime.rs new file mode 100644 index 0000000000000..62aa22d41ed8e --- /dev/null +++ b/src/test/ui/marker_trait_attr/overlap-marker-trait-with-static-lifetime.rs @@ -0,0 +1,10 @@ +// check-pass +#![feature(marker_trait_attr)] + +#[marker] +trait Marker {} + +impl Marker for &'static () {} +impl Marker for &'static () {} + +fn main() {} diff --git a/src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.rs b/src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.rs new file mode 100644 index 0000000000000..eabce1aeff140 --- /dev/null +++ b/src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.rs @@ -0,0 +1,9 @@ +#![feature(marker_trait_attr)] + +#[marker] +trait Marker {} + +impl Marker for &'_ () {} //~ ERROR type annotations needed +impl Marker for &'_ () {} //~ ERROR type annotations needed + +fn main() {} diff --git a/src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.stderr b/src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.stderr new file mode 100644 index 0000000000000..235c89e200aee --- /dev/null +++ b/src/test/ui/marker_trait_attr/overlap-marker-trait-with-underscore-lifetime.stderr @@ -0,0 +1,31 @@ +error[E0283]: type annotations needed: cannot satisfy `&(): Marker` + --> $DIR/overlap-marker-trait-with-underscore-lifetime.rs:6:6 + | +LL | impl Marker for &'_ () {} + | ^^^^^^ + | +note: multiple `impl`s satisfying `&(): Marker` found + --> $DIR/overlap-marker-trait-with-underscore-lifetime.rs:6:1 + | +LL | impl Marker for &'_ () {} + | ^^^^^^^^^^^^^^^^^^^^^^ +LL | impl Marker for &'_ () {} + | ^^^^^^^^^^^^^^^^^^^^^^ + +error[E0283]: type annotations needed: cannot satisfy `&(): Marker` + --> $DIR/overlap-marker-trait-with-underscore-lifetime.rs:7:6 + | +LL | impl Marker for &'_ () {} + | ^^^^^^ + | +note: multiple `impl`s satisfying `&(): Marker` found + --> $DIR/overlap-marker-trait-with-underscore-lifetime.rs:6:1 + | +LL | impl Marker for &'_ () {} + | ^^^^^^^^^^^^^^^^^^^^^^ +LL | impl Marker for &'_ () {} + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0283`. diff --git a/src/test/ui/marker_trait_attr/overlap-marker-trait.rs b/src/test/ui/marker_trait_attr/overlap-marker-trait.rs index 8794d42f4113f..67e551797755b 100644 --- a/src/test/ui/marker_trait_attr/overlap-marker-trait.rs +++ b/src/test/ui/marker_trait_attr/overlap-marker-trait.rs @@ -7,7 +7,8 @@ use std::fmt::{Debug, Display}; -#[marker] trait Marker {} +#[marker] +trait Marker {} impl Marker for T {} impl Marker for T {} diff --git a/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr b/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr index 1f34105979441..133bc0484ee00 100644 --- a/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr +++ b/src/test/ui/marker_trait_attr/overlap-marker-trait.stderr @@ -1,11 +1,11 @@ error[E0277]: the trait bound `NotDebugOrDisplay: Marker` is not satisfied - --> $DIR/overlap-marker-trait.rs:27:17 + --> $DIR/overlap-marker-trait.rs:28:17 | LL | is_marker::(); | ^^^^^^^^^^^^^^^^^ the trait `Marker` is not implemented for `NotDebugOrDisplay` | note: required by a bound in `is_marker` - --> $DIR/overlap-marker-trait.rs:15:17 + --> $DIR/overlap-marker-trait.rs:16:17 | LL | fn is_marker() { } | ^^^^^^ required by this bound in `is_marker` diff --git a/src/test/ui/marker_trait_attr/overlap-permitted-for-annotated-marker-traits.rs b/src/test/ui/marker_trait_attr/overlap-permitted-for-annotated-marker-traits.rs index 383313902379e..f7654458feb01 100644 --- a/src/test/ui/marker_trait_attr/overlap-permitted-for-annotated-marker-traits.rs +++ b/src/test/ui/marker_trait_attr/overlap-permitted-for-annotated-marker-traits.rs @@ -7,7 +7,8 @@ use std::fmt::{Debug, Display}; -#[marker] trait MyMarker {} +#[marker] +trait MyMarker {} impl MyMarker for T {} impl MyMarker for T {}