diff options
Diffstat (limited to 'src/tools/clippy/src/docs/empty_enum.txt')
-rw-r--r-- | src/tools/clippy/src/docs/empty_enum.txt | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/src/tools/clippy/src/docs/empty_enum.txt b/src/tools/clippy/src/docs/empty_enum.txt deleted file mode 100644 index f7b41c41e..000000000 --- a/src/tools/clippy/src/docs/empty_enum.txt +++ /dev/null @@ -1,27 +0,0 @@ -### What it does -Checks for `enum`s with no variants. - -As of this writing, the `never_type` is still a -nightly-only experimental API. Therefore, this lint is only triggered -if the `never_type` is enabled. - -### Why is this bad? -If you want to introduce a type which -can't be instantiated, you should use `!` (the primitive type "never"), -or a wrapper around it, because `!` has more extensive -compiler support (type inference, etc...) and wrappers -around it are the conventional way to define an uninhabited type. -For further information visit [never type documentation](https://doc.rust-lang.org/std/primitive.never.html) - - -### Example -``` -enum Test {} -``` - -Use instead: -``` -#![feature(never_type)] - -struct Test(!); -```
\ No newline at end of file |