3dcd215740
This breaks code that referred to variant names in the same namespace as
their enum. Reexport the variants in the old location or alter code to
refer to the new locations:
```
pub enum Foo {
A,
B
}
fn main() {
let a = A;
}
```
=>
```
pub use self::Foo::{A, B};
pub enum Foo {
A,
B
}
fn main() {
let a = A;
}
```
or
```
pub enum Foo {
A,
B
}
fn main() {
let a = Foo::A;
}
```
[breaking-change]
105 lines
2.0 KiB
Rust
105 lines
2.0 KiB
Rust
// Copyright 2014 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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#![deny(unused_variables)]
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#![deny(unused_assignments)]
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#![allow(dead_code, non_camel_case_types)]
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fn f1(x: int) {
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//~^ ERROR unused variable: `x`
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}
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fn f1b(x: &mut int) {
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//~^ ERROR unused variable: `x`
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}
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#[allow(unused_variables)]
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fn f1c(x: int) {}
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fn f1d() {
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let x: int;
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//~^ ERROR unused variable: `x`
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}
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fn f2() {
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let x = 3i;
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//~^ ERROR unused variable: `x`
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}
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fn f3() {
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let mut x = 3i;
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//~^ ERROR variable `x` is assigned to, but never used
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x += 4i;
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//~^ ERROR value assigned to `x` is never read
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}
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fn f3b() {
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let mut z = 3i;
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//~^ ERROR variable `z` is assigned to, but never used
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loop {
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z += 4i;
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}
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}
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#[allow(unused_variables)]
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fn f3c() {
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let mut z = 3i;
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loop { z += 4i; }
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}
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#[allow(unused_variables)]
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#[allow(unused_assignments)]
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fn f3d() {
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let mut x = 3i;
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x += 4i;
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}
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fn f4() {
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match Some(3i) {
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Some(i) => {
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//~^ ERROR unused variable: `i`
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}
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None => {}
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}
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}
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enum tri {
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a(int), b(int), c(int)
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}
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fn f4b() -> int {
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match tri::a(3i) {
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tri::a(i) | tri::b(i) | tri::c(i) => {
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i
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}
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}
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}
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fn f5a() {
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for x in range(1i, 10) { }
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//~^ ERROR unused variable: `x`
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}
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fn f5b() {
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for (x, _) in [1i, 2, 3].iter().enumerate() { }
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//~^ ERROR unused variable: `x`
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}
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fn f5c() {
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for (_, x) in [1i, 2, 3].iter().enumerate() {
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//~^ ERROR unused variable: `x`
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continue;
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std::os::set_exit_status(*x); //~ WARNING unreachable statement
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}
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}
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fn main() {
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}
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