a82890e67b
Clearer use of the error message and span labels to communicate
duplicaiton defitions/imports.
New error format:
```
error[E0428]: the name `Foo` is defined twice
--> example.rs:2:1
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1 | trait Foo { }
| ------------- previous definition of the trait `Foo` here
2 | struct Foo { }
| ^^^^^^^^^^^^^^ `Foo` redefined here
= note: `Foo` must be defined only once in the type namespace of this module
error: aborting due to previous error
```
78 lines
2.2 KiB
Rust
78 lines
2.2 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Also works as a test for #14564
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#[allow(non_snake_case)]
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mod Foo { }
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//~^ NOTE previous definition of the module `Foo` here
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#[allow(dead_code)]
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struct Foo;
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//~^ ERROR the name `Foo` is defined multiple times
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//~| NOTE `Foo` redefined here
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//~| NOTE `Foo` must be defined only once in the type namespace of this module
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#[allow(non_snake_case)]
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mod Bar { }
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//~^ NOTE previous definition of the module `Bar` here
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#[allow(dead_code)]
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struct Bar(i32);
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//~^ ERROR the name `Bar` is defined multiple times
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//~| NOTE `Bar` redefined here
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//~| NOTE `Bar` must be defined only once in the type namespace of this module
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#[allow(dead_code)]
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struct Baz(i32);
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//~^ NOTE previous definition of the type `Baz` here
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#[allow(non_snake_case)]
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mod Baz { }
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//~^ ERROR the name `Baz` is defined multiple times
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//~| NOTE `Baz` redefined here
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//~| NOTE `Baz` must be defined only once in the type namespace of this module
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#[allow(dead_code)]
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struct Qux { x: bool }
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//~^ NOTE previous definition of the type `Qux` here
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#[allow(non_snake_case)]
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mod Qux { }
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//~^ ERROR the name `Qux` is defined multiple times
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//~| NOTE `Qux` redefined here
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//~| NOTE `Qux` must be defined only once in the type namespace of this module
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#[allow(dead_code)]
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struct Quux;
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//~^ NOTE previous definition of the type `Quux` here
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#[allow(non_snake_case)]
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mod Quux { }
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//~^ ERROR the name `Quux` is defined multiple times
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//~| NOTE `Quux` redefined here
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//~| NOTE `Quux` must be defined only once in the type namespace of this module
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#[allow(dead_code)]
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enum Corge { A, B }
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//~^ NOTE previous definition of the type `Corge` here
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#[allow(non_snake_case)]
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mod Corge { }
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//~^ ERROR the name `Corge` is defined multiple times
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//~| NOTE `Corge` redefined here
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//~| NOTE `Corge` must be defined only once in the type namespace of this module
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fn main() { }
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