mirror of https://github.com/rust-lang/rust.git
21 lines
429 B
Rust
21 lines
429 B
Rust
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// Check that we can specialize on a concrete iterator type. This requires us
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// to consider which parameters in the parent impl are constrained.
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// check-pass
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#![feature(min_specialization)]
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trait SpecFromIter<T> {
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fn f(&self);
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}
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impl<'a, T: 'a, I: Iterator<Item = &'a T>> SpecFromIter<T> for I {
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default fn f(&self) {}
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}
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impl<'a, T> SpecFromIter<T> for std::slice::Iter<'a, T> {
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fn f(&self) {}
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}
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fn main() {}
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