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
```
33 lines
1.6 KiB
Rust
33 lines
1.6 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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use std::ops::Add; //~ NOTE previous import of the trait `Add` here
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use std::ops::Sub; //~ NOTE previous import of the trait `Sub` here
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use std::ops::Mul; //~ NOTE previous import of the trait `Mul` here
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use std::ops::Div; //~ NOTE previous import of the trait `Div` here
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use std::ops::Rem; //~ NOTE previous import of the trait `Rem` here
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type Add = bool; //~ ERROR the name `Add` is defined multiple times
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//~| `Add` redefined here
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//~| NOTE `Add` must be defined only once in the type namespace of this module
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struct Sub { x: f32 } //~ ERROR the name `Sub` is defined multiple times
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//~| `Sub` redefined here
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//~| NOTE `Sub` must be defined only once in the type namespace of this module
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enum Mul { A, B } //~ ERROR the name `Mul` is defined multiple times
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//~| `Mul` redefined here
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//~| NOTE `Mul` must be defined only once in the type namespace of this module
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mod Div { } //~ ERROR the name `Div` is defined multiple times
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//~| `Div` redefined here
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//~| NOTE `Div` must be defined only once in the type namespace of this module
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trait Rem { } //~ ERROR the name `Rem` is defined multiple times
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//~| `Rem` redefined here
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//~| NOTE `Rem` must be defined only once in the type namespace of this module
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fn main() {}
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