Module rustc_hir::lang_items

Defines lang 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 lang 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 lang items in Rust.

Statics

• BINARY_OPERATORS
• 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.