mirror of https://github.com/rust-lang/rust
19 lines
441 B
Rust
19 lines
441 B
Rust
// Test that NLL analysis propagates lifetimes correctly through
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// field accesses, Box accesses, etc.
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fn foo(s: &mut (i32,)) -> i32 {
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let t = &mut *s; // this borrow should last for the entire function
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let x = &t.0;
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*s = (2,); //~ ERROR cannot assign to `*s`
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*x
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}
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fn bar(s: &Box<(i32,)>) -> &'static i32 {
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&s.0 //~ ERROR lifetime may not live long enough
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}
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fn main() {
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foo(&mut (0,));
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bar(&Box::new((1,)));
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}
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