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12 lines
216 B
Rust
12 lines
216 B
Rust
use std::collections::HashSet;
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fn main() {
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let mut v = Vec::new();
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foo(&mut v);
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//~^ ERROR mismatched types
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//~| expected `&mut HashSet<u32>`, found `&mut Vec<_>`
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}
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fn foo(h: &mut HashSet<u32>) {
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}
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