mirror of https://github.com/rust-lang/rust
26 lines
610 B
Rust
26 lines
610 B
Rust
#[deny(unused_unsafe)]
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fn main() {
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let mut v = Vec::<i32>::with_capacity(24);
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unsafe {
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let f = |v: &mut Vec<_>| {
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unsafe { //~ ERROR unnecessary `unsafe`
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v.set_len(24);
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|w: &mut Vec<u32>| { unsafe { //~ ERROR unnecessary `unsafe`
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w.set_len(32);
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} };
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}
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|x: &mut Vec<u32>| { unsafe { //~ ERROR unnecessary `unsafe`
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x.set_len(40);
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} };
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};
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v.set_len(0);
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f(&mut v);
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}
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|y: &mut Vec<u32>| { unsafe {
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y.set_len(48);
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} };
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}
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