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https://github.com/rust-lang/rust
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25 lines
385 B
Rust
25 lines
385 B
Rust
//@ run-pass
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// Test that we correctly ignore the blanket impl
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// because (in this case) `T` does not impl `Clone`.
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//
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// Issue #17594.
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use std::cell::RefCell;
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trait Foo { //~ WARN trait `Foo` is never used
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fn foo(&self) {}
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}
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impl<T> Foo for T where T: Clone {}
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struct Bar;
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impl Bar {
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fn foo(&self) {}
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}
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fn main() {
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let b = RefCell::new(Bar);
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b.borrow().foo();
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}
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