Modules§
- sealed 🔒
Macros§
- define_
callbacks 🔒 - if_
arena_ 🔒cache - if_
return_ 🔒result_ from_ ensure_ ok - if_
separate_ 🔒provide_ extern - item_
if_ 🔒feedable - query_
helper_ 🔒param_ ty
Structs§
- Cycle
Error - Cycle
Placeholder - Query
State - For a particular query, keeps track of “active” keys, i.e. keys whose evaluation has started but has not yet finished successfully.
- Query
System - QueryV
Table - Stores data and metadata (e.g. function pointers) for a particular query.
- TyCtxt
At - TyCtxt
Ensure Done - TyCtxt
Ensure Ok
Enums§
- Active
KeyStatus - For a particular query and key, tracks the status of a query evaluation that has started, but has not yet finished successfully.
- Cycle
Error Handling - How a particular query deals with query cycle errors.
- Ensure
Mode - Distinguishes between
tcx.ensure_ok()andtcx.ensure_done()in shared code paths that handle both modes. - Query
Mode
Traits§
- Into
Query Param - An analogue of the
Intotrait that’s intended only for query parameters.