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Document associated_item methods

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Santiago Pastorino 2023-02-17 16:03:45 -03:00
parent 45b0d9da6b
commit 5e763b6624
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2 changed files with 17 additions and 1 deletions
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7
compiler/rustc_middle/src/query/mod.rs
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@ -767,7 +767,12 @@ rustc_queries! {
desc { |tcx| "comparing impl items against trait for `{}`", tcx.def_path_str(impl_id) }
}
/// Given an `fn_def_id`, create and return the associated items for that function.
/// Given `fn_def_id` of a trait or of an impl that implements a given trait:
/// if `fn_def_id` is the def id of a function defined inside a trait, then it creates and returns
/// the associated items that correspond to each impl trait in return position for that trait.
/// if `fn_def_id` is the def id of a function defined inside an impl that implements a trait, then it
/// creates and returns the associated items that correspond to each impl trait in return position
/// of the implemented trait.
query associated_items_for_impl_trait_in_trait(fn_def_id: DefId) -> &'tcx [DefId] {
desc { |tcx| "creating associated items for impl trait in trait returned by `{}`", tcx.def_path_str(fn_def_id) }
cache_on_disk_if { fn_def_id.is_local() }