diff options
| author | Tyler Mandry <tmandry@gmail.com> | 2018-03-20 23:01:42 -0500 |
|---|---|---|
| committer | Tyler Mandry <tmandry@gmail.com> | 2018-03-21 00:26:00 -0500 |
| commit | 94bdeb64f96b266d990ba7b76cd78a1e2ed1977f (patch) | |
| tree | 24608542a81d757cb578acdd9956944f8a37cfc5 | |
| parent | 1937661961fa54aa2bce8c301d85536916224a74 (diff) | |
| download | rust-94bdeb64f96b266d990ba7b76cd78a1e2ed1977f.tar.gz rust-94bdeb64f96b266d990ba7b76cd78a1e2ed1977f.zip | |
termination_trait: Add () example to error message
3 files changed, 3 insertions, 3 deletions
diff --git a/src/libstd/process.rs b/src/libstd/process.rs index d5ac2d19e83..a6aa3502f26 100644 --- a/src/libstd/process.rs +++ b/src/libstd/process.rs @@ -1443,7 +1443,7 @@ pub fn id() -> u32 { #[cfg_attr(not(test), lang = "termination")] #[unstable(feature = "termination_trait_lib", issue = "43301")] #[rustc_on_unimplemented = - "`main` can only return types that implement {Termination}, not `{Self}`"] + "`main` can only return types like `()` that implement {Termination}, not `{Self}`"] pub trait Termination { /// Is called to get the representation of the value as status code. /// This status code is returned to the operating system. diff --git a/src/test/compile-fail/rfc-1937-termination-trait/termination-trait-main-i32.rs b/src/test/compile-fail/rfc-1937-termination-trait/termination-trait-main-i32.rs index 67ee39d10d9..ffff33da581 100644 --- a/src/test/compile-fail/rfc-1937-termination-trait/termination-trait-main-i32.rs +++ b/src/test/compile-fail/rfc-1937-termination-trait/termination-trait-main-i32.rs @@ -8,7 +8,7 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. -// error-pattern:`main` can only return types that implement std::process::Termination, not `i32` +// error-pattern:`main` can only return types like `()` that implement std::process::Termination, no fn main() -> i32 { 0 } diff --git a/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.stderr b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.stderr index d09aac3ac2f..24371c27742 100644 --- a/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.stderr +++ b/src/test/ui/rfc-1937-termination-trait/termination-trait-main-wrong-type.stderr @@ -2,7 +2,7 @@ error[E0277]: the trait bound `char: std::process::Termination` is not satisfied --> $DIR/termination-trait-main-wrong-type.rs:11:14 | LL | fn main() -> char { //~ ERROR - | ^^^^ `main` can only return types that implement std::process::Termination, not `char` + | ^^^^ `main` can only return types like `()` that implement std::process::Termination, not `char` | = help: the trait `std::process::Termination` is not implemented for `char` |