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Add test

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This commit is contained in:
Manish Goregaokar 2018-02-23 12:45:10 -08:00
parent bdccbcf41b
commit 4c73f82614
2 changed files with 2 additions and 5 deletions
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5
src/test/compile-fail/dyn-trait-compatibility.rs
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@ -20,10 +20,5 @@ type A3 = dyn<<dyn as dyn>::dyn>;
//~^ ERROR cannot find type `dyn` in this scope
//~| ERROR cannot find type `dyn` in this scope
//~| ERROR Use of undeclared type or module `dyn`
type A4 = dyn(dyn, dyn) -> dyn;
//~^ ERROR cannot find type `dyn` in this scope
//~| ERROR cannot find type `dyn` in this scope
//~| ERROR cannot find type `dyn` in this scope
//~| ERROR cannot find type `dyn` in this scope
fn main() {}

2
src/test/run-pass/dyn-trait.rs
View File

@ -17,6 +17,8 @@ static BYTE: u8 = 33;
fn main() {
let x: &(dyn 'static + Display) = &BYTE;
let y: Box<dyn Display + 'static> = Box::new(BYTE);
let _: &dyn (Display) = &BYTE;
let _: &dyn (::std::fmt::Display) = &BYTE;
let xstr = format!("{}", x);
let ystr = format!("{}", y);
assert_eq!(xstr, "33");