63 lines
1.0 KiB
Rust
63 lines
1.0 KiB
Rust
// run-rustfix
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#![warn(clippy::useless_vec)]
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#[derive(Debug)]
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struct NonCopy;
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fn on_slice(_: &[u8]) {}
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#[allow(clippy::ptr_arg)]
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fn on_vec(_: &Vec<u8>) {}
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struct Line {
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length: usize,
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}
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impl Line {
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fn length(&self) -> usize {
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self.length
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}
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}
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fn main() {
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on_slice(&[]);
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on_slice(&[]);
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on_slice(&[1, 2]);
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on_slice(&[1, 2]);
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on_slice(&[1, 2]);
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on_slice(&[1, 2]);
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#[rustfmt::skip]
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on_slice(&[1, 2]);
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on_slice(&[1, 2]);
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on_slice(&[1; 2]);
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on_slice(&[1; 2]);
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on_vec(&vec![]);
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on_vec(&vec![1, 2]);
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on_vec(&vec![1; 2]);
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// Now with non-constant expressions
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let line = Line { length: 2 };
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on_slice(&vec![2; line.length]);
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on_slice(&vec![2; line.length()]);
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for a in &[1, 2, 3] {
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println!("{:?}", a);
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}
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for a in vec![NonCopy, NonCopy] {
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println!("{:?}", a);
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}
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on_vec(&vec![1; 201]); // Ok, size of `vec` higher than `too_large_for_stack`
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// Ok
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for a in vec![1; 201] {
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println!("{:?}", a);
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}
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}
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