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Clean up E0075 long explanation

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This commit is contained in:
Guillaume Gomez 2019-11-26 13:42:19 +01:00
parent 77ecb6d44a
commit 2af8cd2de8
1 changed files with 9 additions and 7 deletions
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16
src/librustc_error_codes/error_codes/E0075.md
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@ -1,21 +1,23 @@
The `#[simd]` attribute can only be applied to non empty tuple structs, because
it doesn't make sense to try to use SIMD operations when there are no values to
operate on.
A `#[simd]` attribute was applied to an empty tuple struct.
This will cause an error:
Erroneous code example:
```compile_fail,E0075
#![feature(repr_simd)]
#[repr(simd)]
struct Bad;
struct Bad; // error!
```
This will not:
The `#[simd]` attribute can only be applied to non empty tuple structs, because
it doesn't make sense to try to use SIMD operations when there are no values to
operate on.
Fixed example:
```
#![feature(repr_simd)]
#[repr(simd)]
struct Good(u32);
struct Good(u32); // ok!
```