Modules§
- sealed 🔒
Macros§
- define_
callbacks 🔒 - define_
feedable 🔒 - ensure_
ok_ 🔒result - local_
key_ 🔒if_ separate_ extern - If
separate_provide_extern, then the key can be projected to its local key via<$K as AsLocalKey>::LocalKey. - query_
ensure_ 🔒select - Calls either
query_ensureorquery_ensure_error_guaranteed, depending on whether the list of modifiers containsreturn_result_from_ensure_ok. - query_
helper_ 🔒param_ ty - query_
if_ 🔒arena - separate_
provide_ 🔒extern_ decl - separate_
provide_ 🔒extern_ default
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 - Query
System Fns - QueryV
Table - Stores function pointers and other metadata 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.
- Query
Mode
Traits§
- Into
Query Param - An analogue of the
Intotrait that’s intended only for query parameters.