Clean up E0522 explanation

This commit is contained in:
Guillaume Gomez 2020-04-19 13:18:45 +02:00
parent 4e4d49d60f
commit ca6eb2c2b2

View file

@ -1,7 +1,5 @@
The lang attribute is intended for marking special items that are built-in to
Rust itself. This includes special traits (like `Copy` and `Sized`) that affect
how the compiler behaves, as well as special functions that may be automatically
invoked (such as the handler for out-of-bounds accesses when indexing a slice).
The lang attribute was used in an invalid context.
Erroneous code example:
```compile_fail,E0522
@ -12,3 +10,8 @@ fn cookie() -> ! { // error: definition of an unknown language item: `cookie`
loop {}
}
```
The lang attribute is intended for marking special items that are built-in to
Rust itself. This includes special traits (like `Copy` and `Sized`) that affect
how the compiler behaves, as well as special functions that may be automatically
invoked (such as the handler for out-of-bounds accesses when indexing a slice).