Module rustc_hir::lang_items

Defines language items.

Language items are items that represent concepts intrinsic to the language itself. Examples are:

• Traits that specify “kinds”; e.g., Sync, Send.
• Traits that represent operators; e.g., Add, Sub, Index.
• Functions called by the compiler itself.

Macros

language_item_table 🔒

Structs

LanguageItems

All of the language items, defined or not. Defined lang items can come from the current crate or its dependencies.

Enums

GenericRequirement

LangItem

A representation of all the valid language items in Rust.

Statics

FN_TRAITS

OPERATORS

Functions

extract

Extracts the first lang = "$name" out of a list of attributes. The #[panic_handler] attribute is also extracted out when found.