mirror of https://github.com/rust-lang/rust
20 lines
414 B
Rust
20 lines
414 B
Rust
// Test that Cell is considered invariant with respect to its
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// type.
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use std::cell::Cell;
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struct Foo<'a> {
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x: Cell<Option<&'a isize>>,
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}
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fn use_<'short,'long>(c: Foo<'short>,
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s: &'short isize,
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l: &'long isize,
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_where:Option<&'short &'long ()>) {
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let _: Foo<'long> = c;
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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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}
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