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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /compiler/rustc_error_codes/src/error_codes/E0522.md | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_error_codes/src/error_codes/E0522.md')
-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0522.md | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0522.md b/compiler/rustc_error_codes/src/error_codes/E0522.md new file mode 100644 index 000000000..83272314a --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0522.md @@ -0,0 +1,17 @@ +The lang attribute was used in an invalid context. + +Erroneous code example: + +```compile_fail,E0522 +#![feature(lang_items)] + +#[lang = "cookie"] +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). |