mirror of https://github.com/rust-lang/rust
24 lines
700 B
Rust
24 lines
700 B
Rust
// Test various ways to construct a pointer with a longer lifetime
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// than the thing it points at and ensure that they result in
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// errors. See also regions-free-region-ordering-callee.rs
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struct Paramd<'a> { x: &'a usize }
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fn call2<'a, 'b>(a: &'a usize, b: &'b usize) {
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let z: Option<&'b &'a usize> = None;
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//~^ ERROR lifetime may not live long enough
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}
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fn call3<'a, 'b>(a: &'a usize, b: &'b usize) {
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let y: Paramd<'a> = Paramd { x: a };
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let z: Option<&'b Paramd<'a>> = None;
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//~^ ERROR lifetime may not live long enough
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}
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fn call4<'a, 'b>(a: &'a usize, b: &'b usize) {
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let z: Option<&'a &'b usize> = None;
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//~^ ERROR lifetime may not live long enough
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}
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fn main() {}
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