make specialization of `Vec::extend` and `VecDeque::extend_front` work for vec::IntoIter with any `Allocator`, not just `Global` These functions consume all the elements from the respective collection, but do not care about the `Allocator` they use. Without specifying one (like in `vec::IntoIter<T>`) the specialization is only chosen when `A=Global`. (extra context: `VecDeque::extend_front` is unstable and tracked by rust-lang/rust#146975) |
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| src | ||
| Cargo.toml | ||