Module rustc_passes::diagnostic_items
source ยท Expand description
Detecting diagnostic items.
Diagnostic items are items that are not language-inherent, but can reasonably be expected to exist for diagnostic purposes. This allows diagnostic authors to refer to specific items directly, without having to guess module paths and crates. Examples are:
-
Traits like
Debug
, that have no bearing on language semantics -
Compiler internal types like
Ty
andTyCtxt
Functionsยง
- all_
diagnostic_ ๐items Traverse and collect all the diagnostic items in all crates. - collect_
item ๐ - diagnostic_
items ๐Traverse and collect the diagnostic items in the current - extract ๐Extract the first
rustc_diagnostic_item = "$name"
out of a list of attributes. - observe_
item ๐ - provide ๐