mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-15 01:17:16 +00:00
63 lines
1.9 KiB
Rust
63 lines
1.9 KiB
Rust
// run-rustfix
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#![warn(clippy::all, clippy::pedantic)]
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#![allow(clippy::iter_cloned_collect)]
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#![allow(clippy::clone_on_copy, clippy::redundant_clone)]
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#![allow(clippy::let_underscore_drop)]
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#![allow(clippy::missing_docs_in_private_items)]
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#![allow(clippy::redundant_closure_for_method_calls)]
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#![allow(clippy::many_single_char_names)]
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fn main() {
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let _: Vec<i8> = vec![5_i8; 6].iter().copied().collect();
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let _: Vec<String> = vec![String::new()].iter().cloned().collect();
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let _: Vec<u32> = vec![42, 43].iter().copied().collect();
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let _: Option<u64> = Some(Box::new(16)).map(|b| *b);
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let _: Option<u64> = Some(&16).copied();
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let _: Option<u8> = Some(&1).copied();
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// Don't lint these
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let v = vec![5_i8; 6];
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let a = 0;
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let b = &a;
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let _ = v.iter().map(|_x| *b);
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let _ = v.iter().map(|_x| a.clone());
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let _ = v.iter().map(|&_x| a);
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// Issue #498
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let _ = std::env::args();
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// Issue #4824 item types that aren't references
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{
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use std::rc::Rc;
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let o: Option<Rc<u32>> = Some(Rc::new(0_u32));
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let _: Option<u32> = o.map(|x| *x);
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let v: Vec<Rc<u32>> = vec![Rc::new(0_u32)];
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let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
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}
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// Issue #5524 mutable references
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{
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let mut c = 42;
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let v = vec![&mut c];
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let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
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let mut d = 21;
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let v = vec![&mut d];
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let _: Vec<u32> = v.into_iter().map(|&mut x| x).collect();
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}
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// Issue #6299
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{
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let mut aa = 5;
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let mut bb = 3;
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let items = vec![&mut aa, &mut bb];
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let _: Vec<_> = items.into_iter().map(|x| x.clone()).collect();
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}
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// Issue #6239 deref coercion and clone deref
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{
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use std::cell::RefCell;
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let _ = Some(RefCell::new(String::new()).borrow()).map(|s| s.clone());
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}
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}
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