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25 lines
527 B
Rust
25 lines
527 B
Rust
// Test that we can quantify lifetimes outside a constraint (i.e., including
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// the self type) in a where clause. Specifically, test that implementing for a
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// specific lifetime is not enough to satisfy the `for<'a> ...` constraint, which
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// should require *all* lifetimes.
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static X: &'static u32 = &42;
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trait Bar {
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fn bar(&self);
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}
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impl Bar for &'static u32 {
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fn bar(&self) {}
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}
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fn foo<T>(x: &T)
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where
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for<'a> &'a T: Bar,
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{
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}
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fn main() {
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foo(&X); //~ ERROR implementation of `Bar` is not general enough
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}
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