16 lines
357 B
Rust
16 lines
357 B
Rust
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// Test that attempt to swap `&mut` pointer while pointee is borrowed
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// yields an error.
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//
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// Example from src/middle/borrowck/doc.rs
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use std::util::swap;
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fn foo<'a>(mut t0: &'a mut int,
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mut t1: &'a mut int) {
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let p: &int = &*t0; // Freezes `*t0`
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swap(&mut t0, &mut t1); //~ ERROR cannot borrow `t0`
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*t1 = 22;
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}
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fn main() {
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}
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