bjoernager/rust
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Improve AssocItem::descr.

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The commit adds "associated" to the description of associated types and
associated consts, to match the description of associated functions.
This increases error message precision and consistency with
`AssocKind::fmt`.

The commit also notes an imperfection in `AssocKind::fmt`; fixing this
imperfection is possible but beyond the scope of this PR.
This commit is contained in:
Nicholas Nethercote 2025-04-11 10:10:06 +10:00
parent 2205455d44
commit 7e8184fa2a
21 changed files with 53 additions and 51 deletions
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6
compiler/rustc_middle/src/ty/assoc.rs
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@ -98,10 +98,10 @@ impl AssocItem {
pub fn descr(&self) -> &'static str {
match self.kind {
ty::AssocKind::Const => "const",
ty::AssocKind::Const => "associated const",
ty::AssocKind::Fn if self.fn_has_self_parameter => "method",
ty::AssocKind::Fn => "associated function",
ty::AssocKind::Type => "type",
ty::AssocKind::Type => "associated type",
}
}
@ -155,6 +155,8 @@ impl AssocKind {
impl std::fmt::Display for AssocKind {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
// FIXME: fails to distinguish between "associated function" and
// "method" because `has_self` isn't known here.
AssocKind::Fn => write!(f, "method"),
AssocKind::Const => write!(f, "associated const"),
AssocKind::Type => write!(f, "associated type"),