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diagnostics: if AssocFn has self argument, describe as method

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Discussed in
https://rust-lang.zulipchat.com/#narrow/stream/147480-t-compiler.2Fwg-diagnostics/topic/.22associated.20function.22.20vs.20.22method.22/near/329265515

This commit also changes the tooltips on rustdoc intra-doc links
targeting methods.
This commit is contained in:
Michael Howell 2023-02-21 14:05:32 -07:00
parent 3b4d6e0804
commit 3d056c3125
25 changed files with 91 additions and 58 deletions
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9
compiler/rustc_hir/src/def.rs
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@ -124,6 +124,11 @@ pub enum DefKind {
}
impl DefKind {
/// Get an English description for the item's kind.
///
/// If you have access to `TyCtxt`, use `TyCtxt::def_descr` or
/// `TyCtxt::def_kind_descr` instead, because they give better
/// information for generators and associated functions.
pub fn descr(self, def_id: DefId) -> &'static str {
match self {
DefKind::Fn => "function",
@ -166,6 +171,10 @@ impl DefKind {
}
/// Gets an English article for the definition.
///
/// If you have access to `TyCtxt`, use `TyCtxt::def_descr_article` or
/// `TyCtxt::def_kind_descr_article` instead, because they give better
/// information for generators and associated functions.
pub fn article(&self) -> &'static str {
match *self {
DefKind::AssocTy