mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-05 02:50:32 +00:00
38d4ac7cea
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
66 lines
1.1 KiB
Rust
66 lines
1.1 KiB
Rust
#![warn(clippy::drop_copy, clippy::forget_copy)]
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#![allow(clippy::toplevel_ref_arg, clippy::drop_ref, clippy::forget_ref, unused_mut)]
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use std::mem::{drop, forget};
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use std::vec::Vec;
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#[derive(Copy, Clone)]
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struct SomeStruct {}
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struct AnotherStruct {
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x: u8,
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y: u8,
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z: Vec<u8>,
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}
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impl Clone for AnotherStruct {
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fn clone(&self) -> AnotherStruct {
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AnotherStruct {
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x: self.x,
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y: self.y,
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z: self.z.clone(),
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}
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}
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}
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fn main() {
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let s1 = SomeStruct {};
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let s2 = s1;
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let s3 = &s1;
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let mut s4 = s1;
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let ref s5 = s1;
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drop(s1);
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drop(s2);
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drop(s3);
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drop(s4);
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drop(s5);
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forget(s1);
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forget(s2);
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forget(s3);
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forget(s4);
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forget(s5);
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let a1 = AnotherStruct {
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x: 255,
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y: 0,
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z: vec![1, 2, 3],
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};
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let a2 = &a1;
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let mut a3 = a1.clone();
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let ref a4 = a1;
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let a5 = a1.clone();
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drop(a2);
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drop(a3);
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drop(a4);
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drop(a5);
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forget(a2);
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let a3 = &a1;
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forget(a3);
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forget(a4);
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let a5 = a1.clone();
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forget(a5);
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}
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