77 lines
1.9 KiB
Rust
77 lines
1.9 KiB
Rust
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// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution.
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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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#![feature(box_syntax)]
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#![allow(clippy::deref_addrof)]
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#![warn(clippy::unnecessary_operation)]
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struct Tuple(i32);
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struct Struct {
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field: i32
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}
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enum Enum {
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Tuple(i32),
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Struct { field: i32 },
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}
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struct DropStruct {
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field: i32
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}
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impl Drop for DropStruct {
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fn drop(&mut self) {}
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}
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struct DropTuple(i32);
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impl Drop for DropTuple {
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fn drop(&mut self) {}
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}
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enum DropEnum {
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Tuple(i32),
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Struct { field: i32 },
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}
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impl Drop for DropEnum {
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fn drop(&mut self) {}
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}
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struct FooString {
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s: String,
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}
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fn get_number() -> i32 { 0 }
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fn get_struct() -> Struct { Struct { field: 0 } }
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fn get_drop_struct() -> DropStruct { DropStruct { field: 0 } }
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fn main() {
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Tuple(get_number());
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Struct { field: get_number() };
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Struct { ..get_struct() };
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Enum::Tuple(get_number());
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Enum::Struct { field: get_number() };
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5 + get_number();
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*&get_number();
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&get_number();
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(5, 6, get_number());
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box get_number();
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get_number()..;
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..get_number();
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5..get_number();
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[42, get_number()];
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[42, 55][get_number() as usize];
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(42, get_number()).1;
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[get_number(); 55];
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[42; 55][get_number() as usize];
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{get_number()};
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FooString { s: String::from("blah"), };
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// Do not warn
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DropTuple(get_number());
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DropStruct { field: get_number() };
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DropStruct { field: get_number() };
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DropStruct { ..get_drop_struct() };
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DropEnum::Tuple(get_number());
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DropEnum::Struct { field: get_number() };
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}
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