19 lines
390 B
Rust
19 lines
390 B
Rust
// run-pass
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#![allow(dead_code)]
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// Tests that even when a type parameter doesn't implement a required
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// super-builtin-kind of a trait, if the type parameter is never used,
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// the type can implement the trait anyway.
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// pretty-expanded FIXME #23616
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use std::marker;
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trait Foo : Send { }
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struct X<T> { marker: marker::PhantomData<T> }
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impl<T:Send> Foo for X<T> { }
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pub fn main() { }
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