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authorDylan DPC <dylan.dpc@gmail.com>2021-02-23 02:51:43 +0100
committerGitHub <noreply@github.com>2021-02-23 02:51:43 +0100
commit72e6d51583ed5fa97ee06fe0259b82b28367874e (patch)
treebe6b57edecd15a58858b257ca6573b550936363f /src/doc
parent1c2a949736a85810127b73dbc1006565689d6fe4 (diff)
parentfe4fe19ddc38a2da883e1e38d18c821ad1c26fc5 (diff)
Rollup merge of #81154 - dylni:improve-design-of-assert-len, r=KodrAus
Improve design of `assert_len`

It was discussed in the [tracking issue](https://github.com/rust-lang/rust/issues/76393#issuecomment-761765448) that `assert_len`'s name and usage are confusing. This PR improves them based on a suggestion by ``@scottmcm`` in that issue.

I also improved the documentation to make it clearer when you might want to use this method.

Old example:

```rust
let range = range.assert_len(slice.len());
```

New example:

```rust
let range = range.ensure_subset_of(..slice.len());
```

Fixes #81157
Diffstat (limited to 'src/doc')
-rw-r--r--src/doc/unstable-book/src/library-features/range-bounds-assert-len.md10
1 files changed, 0 insertions, 10 deletions
diff --git a/src/doc/unstable-book/src/library-features/range-bounds-assert-len.md b/src/doc/unstable-book/src/library-features/range-bounds-assert-len.md
deleted file mode 100644
index 0e95d5ded92..00000000000
--- a/src/doc/unstable-book/src/library-features/range-bounds-assert-len.md
+++ /dev/null
@@ -1,10 +0,0 @@
-# `range_bounds_assert_len`
-
-The tracking issue for this feature is: [#76393]
-
-------------------------
-
-This adds [`RangeBounds::assert_len`].
-
-[#76393]: https://github.com/rust-lang/rust/issues/76393
-[`RangeBounds::assert_len`]: https://doc.rust-lang.org/nightly/std/ops/trait.RangeBounds.html#method.assert_len