diff options
Diffstat (limited to 'src/libcore/ops')
| -rw-r--r-- | src/libcore/ops/index.rs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/libcore/ops/index.rs b/src/libcore/ops/index.rs index 4f55c68ecd4..6cfa36741d0 100644 --- a/src/libcore/ops/index.rs +++ b/src/libcore/ops/index.rs @@ -51,6 +51,21 @@ /// ``` #[lang = "index"] #[rustc_on_unimplemented( + on( + _Self="&str", + note="you can use `.chars().nth()` or `.bytes().nth()` +see chapter in The Book <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>" + ), + on( + _Self="str", + note="you can use `.chars().nth()` or `.bytes().nth()` +see chapter in The Book <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>" + ), + on( + _Self="std::string::String", + note="you can use `.chars().nth()` or `.bytes().nth()` +see chapter in The Book <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>" + ), message="the type `{Self}` cannot be indexed by `{Idx}`", label="`{Self}` cannot be indexed by `{Idx}`", )] @@ -141,6 +156,21 @@ pub trait Index<Idx: ?Sized> { /// ``` #[lang = "index_mut"] #[rustc_on_unimplemented( + on( + _Self="&str", + note="you can use `.chars().nth()` or `.bytes().nth()` +see chapter in The Book <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>" + ), + on( + _Self="str", + note="you can use `.chars().nth()` or `.bytes().nth()` +see chapter in The Book <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>" + ), + on( + _Self="std::string::String", + note="you can use `.chars().nth()` or `.bytes().nth()` +see chapter in The Book <https://doc.rust-lang.org/book/ch08-02-strings.html#indexing-into-strings>" + ), message="the type `{Self}` cannot be mutably indexed by `{Idx}`", label="`{Self}` cannot be mutably indexed by `{Idx}`", )] |