Auto merge of #15912 - Sarrus1:master, r=HKalbasi

chore: remove unused `PhantomData`

This PR removes an unused `PhantomData` in `FileItemTreeId`.

*Note:* I am not sure how this should be implemented, maybe as a type instead of a wrapper struct? I'd be happy to do so if needed 👍
This commit is contained in:
bors 2023-12-01 11:07:35 +00:00
commit c2f133489c
2 changed files with 29 additions and 27 deletions

View file

@ -38,7 +38,6 @@ mod tests;
use std::{
fmt::{self, Debug},
hash::{Hash, Hasher},
marker::PhantomData,
ops::Index,
};
@ -340,34 +339,37 @@ pub trait ItemTreeNode: Clone {
fn id_to_mod_item(id: FileItemTreeId<Self>) -> ModItem;
}
pub struct FileItemTreeId<N: ItemTreeNode> {
index: Idx<N>,
_p: PhantomData<N>,
pub struct FileItemTreeId<N: ItemTreeNode>(Idx<N>);
impl<N: ItemTreeNode> FileItemTreeId<N> {
pub fn index(&self) -> Idx<N> {
self.0
}
}
impl<N: ItemTreeNode> Clone for FileItemTreeId<N> {
fn clone(&self) -> Self {
Self { index: self.index, _p: PhantomData }
Self(self.0)
}
}
impl<N: ItemTreeNode> Copy for FileItemTreeId<N> {}
impl<N: ItemTreeNode> PartialEq for FileItemTreeId<N> {
fn eq(&self, other: &FileItemTreeId<N>) -> bool {
self.index == other.index
self.0 == other.0
}
}
impl<N: ItemTreeNode> Eq for FileItemTreeId<N> {}
impl<N: ItemTreeNode> Hash for FileItemTreeId<N> {
fn hash<H: Hasher>(&self, state: &mut H) {
self.index.hash(state)
self.0.hash(state)
}
}
impl<N: ItemTreeNode> fmt::Debug for FileItemTreeId<N> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.index.fmt(f)
self.0.fmt(f)
}
}
@ -548,7 +550,7 @@ impl Index<RawVisibilityId> for ItemTree {
impl<N: ItemTreeNode> Index<FileItemTreeId<N>> for ItemTree {
type Output = N;
fn index(&self, id: FileItemTreeId<N>) -> &N {
N::lookup(self, id.index)
N::lookup(self, id.index())
}
}
@ -925,23 +927,23 @@ impl ModItem {
pub fn ast_id(&self, tree: &ItemTree) -> FileAstId<ast::Item> {
match self {
ModItem::Use(it) => tree[it.index].ast_id().upcast(),
ModItem::ExternCrate(it) => tree[it.index].ast_id().upcast(),
ModItem::ExternBlock(it) => tree[it.index].ast_id().upcast(),
ModItem::Function(it) => tree[it.index].ast_id().upcast(),
ModItem::Struct(it) => tree[it.index].ast_id().upcast(),
ModItem::Union(it) => tree[it.index].ast_id().upcast(),
ModItem::Enum(it) => tree[it.index].ast_id().upcast(),
ModItem::Const(it) => tree[it.index].ast_id().upcast(),
ModItem::Static(it) => tree[it.index].ast_id().upcast(),
ModItem::Trait(it) => tree[it.index].ast_id().upcast(),
ModItem::TraitAlias(it) => tree[it.index].ast_id().upcast(),
ModItem::Impl(it) => tree[it.index].ast_id().upcast(),
ModItem::TypeAlias(it) => tree[it.index].ast_id().upcast(),
ModItem::Mod(it) => tree[it.index].ast_id().upcast(),
ModItem::MacroCall(it) => tree[it.index].ast_id().upcast(),
ModItem::MacroRules(it) => tree[it.index].ast_id().upcast(),
ModItem::MacroDef(it) => tree[it.index].ast_id().upcast(),
ModItem::Use(it) => tree[it.index()].ast_id().upcast(),
ModItem::ExternCrate(it) => tree[it.index()].ast_id().upcast(),
ModItem::ExternBlock(it) => tree[it.index()].ast_id().upcast(),
ModItem::Function(it) => tree[it.index()].ast_id().upcast(),
ModItem::Struct(it) => tree[it.index()].ast_id().upcast(),
ModItem::Union(it) => tree[it.index()].ast_id().upcast(),
ModItem::Enum(it) => tree[it.index()].ast_id().upcast(),
ModItem::Const(it) => tree[it.index()].ast_id().upcast(),
ModItem::Static(it) => tree[it.index()].ast_id().upcast(),
ModItem::Trait(it) => tree[it.index()].ast_id().upcast(),
ModItem::TraitAlias(it) => tree[it.index()].ast_id().upcast(),
ModItem::Impl(it) => tree[it.index()].ast_id().upcast(),
ModItem::TypeAlias(it) => tree[it.index()].ast_id().upcast(),
ModItem::Mod(it) => tree[it.index()].ast_id().upcast(),
ModItem::MacroCall(it) => tree[it.index()].ast_id().upcast(),
ModItem::MacroRules(it) => tree[it.index()].ast_id().upcast(),
ModItem::MacroDef(it) => tree[it.index()].ast_id().upcast(),
}
}
}

View file

@ -13,7 +13,7 @@ use crate::{
use super::*;
fn id<N: ItemTreeNode>(index: Idx<N>) -> FileItemTreeId<N> {
FileItemTreeId { index, _p: PhantomData }
FileItemTreeId(index)
}
pub(super) struct Ctx<'a> {