From 9e8a62b73449c82c5600eea7e8ce1683aa862be2 Mon Sep 17 00:00:00 2001 From: Esteban Küber Date: Tue, 5 Feb 2019 15:17:08 -0800 Subject: On return type `impl Trait` for block with no expr point at last semi --- .../ui/suggestions/impl-trait-return-trailing-semicolon.rs | 7 +++++++ .../suggestions/impl-trait-return-trailing-semicolon.stderr | 13 +++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 src/test/ui/suggestions/impl-trait-return-trailing-semicolon.rs create mode 100644 src/test/ui/suggestions/impl-trait-return-trailing-semicolon.stderr (limited to 'src/test/ui') diff --git a/src/test/ui/suggestions/impl-trait-return-trailing-semicolon.rs b/src/test/ui/suggestions/impl-trait-return-trailing-semicolon.rs new file mode 100644 index 00000000000..e72a2d8ccc6 --- /dev/null +++ b/src/test/ui/suggestions/impl-trait-return-trailing-semicolon.rs @@ -0,0 +1,7 @@ +trait Bar {} +impl Bar for u8 {} +fn foo() -> impl Bar { + 5; //~^ ERROR the trait bound `(): Bar` is not satisfied +} + +fn main() {} diff --git a/src/test/ui/suggestions/impl-trait-return-trailing-semicolon.stderr b/src/test/ui/suggestions/impl-trait-return-trailing-semicolon.stderr new file mode 100644 index 00000000000..f26fb141ccf --- /dev/null +++ b/src/test/ui/suggestions/impl-trait-return-trailing-semicolon.stderr @@ -0,0 +1,13 @@ +error[E0277]: the trait bound `(): Bar` is not satisfied + --> $DIR/impl-trait-return-trailing-semicolon.rs:3:13 + | +LL | fn foo() -> impl Bar { + | ^^^^^^^^ the trait `Bar` is not implemented for `()` +LL | 5; //~^ ERROR the trait bound `(): Bar` is not satisfied + | - consider removing this semicolon + | + = note: the return type of a function must have a statically known size + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. -- cgit 1.4.1-3-g733a5