cd6d9eab5d
* `core` - for the core crate * `hash` - hashing * `io` - io * `path` - path * `alloc` - alloc crate * `rand` - rand crate * `collections` - collections crate * `std_misc` - other parts of std * `test` - test crate * `rustc_private` - everything else
70 lines
1.5 KiB
Rust
70 lines
1.5 KiB
Rust
// Copyright 2013 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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#![allow(unused_variables)]
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#![allow(non_camel_case_types)]
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#![deny(dead_code)]
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#![feature(libc)]
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#![feature(core)]
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#![feature(collections)]
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extern crate libc;
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use std::num::Int;
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struct Foo {
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x: usize,
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b: bool, //~ ERROR: struct field is never used
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marker: std::marker::NoCopy
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}
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fn field_read(f: Foo) -> usize {
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f.x.pow(2)
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}
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enum XYZ {
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X, //~ ERROR variant is never used
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Y { //~ ERROR variant is never used
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a: String,
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b: isize //~ ERROR: struct field is never used
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},
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Z
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}
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fn field_match_in_patterns(b: XYZ) -> String {
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match b {
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XYZ::Y { a, .. } => a,
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_ => "".to_string()
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}
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}
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struct Bar {
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x: usize, //~ ERROR: struct field is never used
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b: bool,
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_guard: ()
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}
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#[repr(C)]
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struct Baz {
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x: libc::c_uint
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}
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fn field_match_in_let(f: Bar) -> bool {
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let Bar { b, .. } = f;
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b
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}
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fn main() {
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field_read(Foo { x: 1, b: false, marker: std::marker::NoCopy });
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field_match_in_patterns(XYZ::Z);
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field_match_in_let(Bar { x: 42us, b: true, _guard: () });
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let _ = Baz { x: 0 };
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}
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