mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-09-20 14:41:58 +00:00
59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
#![warn(clippy::extend_with_drain)]
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#![allow(clippy::iter_with_drain)]
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use std::collections::BinaryHeap;
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fn main() {
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//gets linted
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let mut vec1 = vec![0u8; 1024];
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let mut vec2: std::vec::Vec<u8> = Vec::new();
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vec2.extend(vec1.drain(..));
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let mut vec3 = vec![0u8; 1024];
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let mut vec4: std::vec::Vec<u8> = Vec::new();
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vec4.extend(vec3.drain(..));
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let mut vec11: std::vec::Vec<u8> = Vec::new();
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vec11.extend(return_vector().drain(..));
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//won't get linted it doesn't move the entire content of a vec into another
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let mut test1 = vec![0u8, 10];
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let mut test2: std::vec::Vec<u8> = Vec::new();
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test2.extend(test1.drain(4..10));
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let mut vec3 = vec![0u8; 104];
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let mut vec7: std::vec::Vec<u8> = Vec::new();
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vec3.append(&mut vec7);
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let mut vec5 = vec![0u8; 1024];
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let mut vec6: std::vec::Vec<u8> = Vec::new();
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vec5.extend(vec6.drain(..4));
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let mut vec9: std::vec::Vec<u8> = Vec::new();
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return_vector().append(&mut vec9);
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//won't get linted because it is not a vec
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let mut heap = BinaryHeap::from(vec![1, 3]);
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let mut heap2 = BinaryHeap::from(vec![]);
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heap2.extend(heap.drain());
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let mut x = vec![0, 1, 2, 3, 5];
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let ref_x = &mut x;
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let mut y = Vec::new();
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y.extend(ref_x.drain(..));
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}
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fn return_vector() -> Vec<u8> {
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let mut new_vector = vec![];
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for i in 1..10 {
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new_vector.push(i)
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}
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new_vector
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}
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