Commit Graph

160 Commits

Author SHA1 Message Date
Mara Bos
829019d404 Disable AsRef implementations for String's Drain.
Since trait implementations cannot be unstable, we should only add them
when the as_str feature gets stabilized. Until then, only `.as_str()` is
available (behind a feature gate).
2020-09-09 19:57:57 +02:00
Mara Bos
f2a32909e0 Mark AsRef impls for String's Drain as stable.
Trait implementations effectively can't be #[unstable].
2020-09-09 19:10:06 +02:00
Mara Bos
f5bb523e94 Add AsRef<[u8]> for String's Drain. 2020-09-09 18:07:27 +02:00
Mara Bos
673284058b Show remaining data in string::Drain's Debug impl. 2020-09-09 17:50:55 +02:00
Mara Bos
daa62d9081 Add as_str() and AsRef to string::Drain. 2020-09-09 17:50:55 +02:00
bors
ef55a0a92f Auto merge of #75207 - dylni:add-slice-check-range, r=KodrAus
Add `slice::check_range`

This method is useful for [`RangeBounds`] parameters. It's even been [rewritten](22ee68dc58/src/librustc_data_structures/sorted_map.rs (L214)) [many](22ee68dc58/library/alloc/src/vec.rs (L1299)) [times](22ee68dc58/library/core/src/slice/mod.rs (L2441)) in the standard library, sometimes assuming that the bounds won't be [`usize::MAX`].

For example, [`Vec::drain`] creates an empty iterator when [`usize::MAX`] is used as an inclusive end bound:

```rust
assert!(vec![1].drain(..=usize::max_value()).eq(iter::empty()));
```

If this PR is merged, I'll create another to use it for those methods.

[`RangeBounds`]: https://doc.rust-lang.org/std/ops/trait.RangeBounds.html
[`usize::MAX`]: https://doc.rust-lang.org/std/primitive.usize.html#associatedconstant.MAX
[`Vec::drain`]: https://doc.rust-lang.org/std/vec/struct.Vec.html#method.drain
2020-09-04 12:21:43 +00:00
Joshua Nelson
373432e47f Convert from str -> prim@str for alloc 2020-08-23 22:40:20 -04:00
dylni
d04e6b8de5 Replace ad hoc implementations with slice::check_range 2020-08-16 21:47:12 -04:00
Lzu Tao
27e1b0632c Explain why inline default ToString impl 2020-07-29 07:38:06 +00:00
mark
2c31b45ae8 mv std libs to library/ 2020-07-27 19:51:13 -05:00