33 lines
734 B
Rust
33 lines
734 B
Rust
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#![warn(clippy::uninit_vec)]
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use std::mem::MaybeUninit;
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fn main() {
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// with_capacity() -> set_len() should be detected
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let mut vec: Vec<u8> = Vec::with_capacity(1000);
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unsafe {
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vec.set_len(200);
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}
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// reserve() -> set_len() should be detected
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vec.reserve(1000);
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unsafe {
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vec.set_len(200);
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}
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// test when both calls are enclosed in the same unsafe block
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unsafe {
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let mut vec: Vec<u8> = Vec::with_capacity(1000);
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vec.set_len(200);
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vec.reserve(1000);
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vec.set_len(200);
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}
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// MaybeUninit-wrapped types should not be detected
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let mut vec: Vec<MaybeUninit<u8>> = Vec::with_capacity(1000);
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unsafe {
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vec.set_len(200);
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}
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}
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