diff options
Diffstat (limited to 'src/test/compile-fail')
| -rw-r--r-- | src/test/compile-fail/call-fn-never-arg-wrong-type.rs | 20 | ||||
| -rw-r--r-- | src/test/compile-fail/never-assign-dead-code.rs | 18 | ||||
| -rw-r--r-- | src/test/compile-fail/never-assign-wrong-type.rs | 17 | ||||
| -rw-r--r-- | src/test/compile-fail/never-disabled.rs | 26 | ||||
| -rw-r--r-- | src/test/compile-fail/never-fallback.rs | 37 |
5 files changed, 118 insertions, 0 deletions
diff --git a/src/test/compile-fail/call-fn-never-arg-wrong-type.rs b/src/test/compile-fail/call-fn-never-arg-wrong-type.rs new file mode 100644 index 00000000000..cf340989ab7 --- /dev/null +++ b/src/test/compile-fail/call-fn-never-arg-wrong-type.rs @@ -0,0 +1,20 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![feature(never_type)] + +fn foo(x: !) -> ! { + x +} + +fn main() { + foo("wow"); //~ ERROR mismatched types +} + diff --git a/src/test/compile-fail/never-assign-dead-code.rs b/src/test/compile-fail/never-assign-dead-code.rs new file mode 100644 index 00000000000..647ee74ac56 --- /dev/null +++ b/src/test/compile-fail/never-assign-dead-code.rs @@ -0,0 +1,18 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![feature(never_type)] +#![deny(unused, unreachable_code)] + +fn main() { + let x: ! = panic!("aah"); //~ ERROR unused + drop(x); //~ ERROR unreachable +} + diff --git a/src/test/compile-fail/never-assign-wrong-type.rs b/src/test/compile-fail/never-assign-wrong-type.rs new file mode 100644 index 00000000000..60184fd21b2 --- /dev/null +++ b/src/test/compile-fail/never-assign-wrong-type.rs @@ -0,0 +1,17 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![feature(never_type)] + +fn main() { + let x: ! = "hello"; //~ ERROR mismatched types +} + + diff --git a/src/test/compile-fail/never-disabled.rs b/src/test/compile-fail/never-disabled.rs new file mode 100644 index 00000000000..00cb4f0b17a --- /dev/null +++ b/src/test/compile-fail/never-disabled.rs @@ -0,0 +1,26 @@ +// Copyright 2012 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +trait Foo { + type Wub; +} + +type Ma = (u32, !, i32); //~ ERROR type is experimental +type Meeshka = Vec<!>; //~ ERROR type is experimental +type Mow = &fn(!) -> !; //~ ERROR type is experimental +type Skwoz = &mut !; //~ ERROR type is experimental + +impl Foo for Meeshka { + type Wub = !; //~ ERROR type is experimental +} + +fn main() { +} + diff --git a/src/test/compile-fail/never-fallback.rs b/src/test/compile-fail/never-fallback.rs new file mode 100644 index 00000000000..24547bd7c88 --- /dev/null +++ b/src/test/compile-fail/never-fallback.rs @@ -0,0 +1,37 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#![feature(never_type)] + +trait Balls: Sized { + fn smeg() -> Result<Self, ()>; +} + +impl Balls for () { + fn smeg() -> Result<(), ()> { Ok(()) } +} + +struct Flah; + +impl Flah { + fn flah<T: Balls>(&self) -> Result<T, ()> { + T::smeg() + } +} + +fn doit() -> Result<(), ()> { + let _ = try!(Flah.flah()); //~ ERROR the trait bound + Ok(()) +} + +fn main() { + let _ = doit(); +} + |
