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internal: switch to Arc::from_iter

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This commit is contained in:
David Barsky 2023-11-28 10:36:01 -05:00
parent 7e8a3391bb
commit c17dcc8d90
7 changed files with 114 additions and 160 deletions
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6
crates/hir-ty/src/lib.rs
View file

@ -322,8 +322,7 @@ impl CallableSig {
pub fn from_fn_ptr(fn_ptr: &FnPointer) -> CallableSig {
CallableSig {
// FIXME: what to do about lifetime params? -> return PolyFnSig
// FIXME: use `Arc::from_iter` when it becomes available
params_and_return: Arc::from(
params_and_return: Arc::from_iter(
fn_ptr
.substitution
.clone()
@ -332,8 +331,7 @@ impl CallableSig {
.0
.as_slice(Interner)
.iter()
.map(|arg| arg.assert_ty_ref(Interner).clone())
.collect::<Vec<_>>(),
.map(|arg| arg.assert_ty_ref(Interner).clone()),
),
is_varargs: fn_ptr.sig.variadic,
safety: fn_ptr.sig.safety,

90
crates/hir-ty/src/lower.rs
View file

@ -1459,8 +1459,7 @@ pub(crate) fn generic_predicates_for_param_recover(
_param_id: &TypeOrConstParamId,
_assoc_name: &Option<Name>,
) -> Arc<[Binders<QuantifiedWhereClause>]> {
// FIXME: use `Arc::from_iter` when it becomes available
Arc::from(vec![])
Arc::from_iter(None)
}
pub(crate) fn trait_environment_for_body_query(
@ -1603,44 +1602,35 @@ pub(crate) fn generic_defaults_query(
let generic_params = generics(db.upcast(), def);
let parent_start_idx = generic_params.len_self();
let defaults = Arc::from(
generic_params
.iter()
.enumerate()
.map(|(idx, (id, p))| {
match p {
TypeOrConstParamData::TypeParamData(p) => {
let mut ty = p
.default
.as_ref()
.map_or(TyKind::Error.intern(Interner), |t| ctx.lower_ty(t));
// Each default can only refer to previous parameters.
// Type variable default referring to parameter coming
// after it is forbidden (FIXME: report diagnostic)
ty = fallback_bound_vars(ty, idx, parent_start_idx);
crate::make_binders(db, &generic_params, ty.cast(Interner))
}
TypeOrConstParamData::ConstParamData(p) => {
let mut val = p.default.as_ref().map_or_else(
|| {
unknown_const_as_generic(
db.const_param_ty(ConstParamId::from_unchecked(id)),
)
},
|c| {
let c = ctx.lower_const(c, ctx.lower_ty(&p.ty));
c.cast(Interner)
},
);
// Each default can only refer to previous parameters, see above.
val = fallback_bound_vars(val, idx, parent_start_idx);
make_binders(db, &generic_params, val)
}
}
})
// FIXME: use `Arc::from_iter` when it becomes available
.collect::<Vec<_>>(),
);
let defaults = Arc::from_iter(generic_params.iter().enumerate().map(|(idx, (id, p))| {
match p {
TypeOrConstParamData::TypeParamData(p) => {
let mut ty =
p.default.as_ref().map_or(TyKind::Error.intern(Interner), |t| ctx.lower_ty(t));
// Each default can only refer to previous parameters.
// Type variable default referring to parameter coming
// after it is forbidden (FIXME: report diagnostic)
ty = fallback_bound_vars(ty, idx, parent_start_idx);
crate::make_binders(db, &generic_params, ty.cast(Interner))
}
TypeOrConstParamData::ConstParamData(p) => {
let mut val = p.default.as_ref().map_or_else(
|| {
unknown_const_as_generic(
db.const_param_ty(ConstParamId::from_unchecked(id)),
)
},
|c| {
let c = ctx.lower_const(c, ctx.lower_ty(&p.ty));
c.cast(Interner)
},
);
// Each default can only refer to previous parameters, see above.
val = fallback_bound_vars(val, idx, parent_start_idx);
make_binders(db, &generic_params, val)
}
}
}));
defaults
}
@ -1653,19 +1643,13 @@ pub(crate) fn generic_defaults_recover(
let generic_params = generics(db.upcast(), *def);
// FIXME: this code is not covered in tests.
// we still need one default per parameter
let defaults = Arc::from(
generic_params
.iter_id()
.map(|id| {
let val = match id {
Either::Left(_) => TyKind::Error.intern(Interner).cast(Interner),
Either::Right(id) => unknown_const_as_generic(db.const_param_ty(id)),
};
crate::make_binders(db, &generic_params, val)
})
// FIXME: use `Arc::from_iter` when it becomes available
.collect::<Vec<_>>(),
);
let defaults = Arc::from_iter(generic_params.iter_id().map(|id| {
let val = match id {
Either::Left(_) => TyKind::Error.intern(Interner).cast(Interner),
Either::Right(id) => unknown_const_as_generic(db.const_param_ty(id)),
};
crate::make_binders(db, &generic_params, val)
}));
defaults
}

9
crates/hir-ty/src/method_resolution.rs
View file

@ -168,12 +168,9 @@ impl TraitImpls {
) -> Arc<[Arc<Self>]> {
let _p = profile::span("trait_impls_in_deps_query").detail(|| format!("{krate:?}"));
let crate_graph = db.crate_graph();
// FIXME: use `Arc::from_iter` when it becomes available
Arc::from(
crate_graph
.transitive_deps(krate)
.map(|krate| db.trait_impls_in_crate(krate))
.collect::<Vec<_>>(),
Arc::from_iter(
crate_graph.transitive_deps(krate).map(|krate| db.trait_impls_in_crate(krate)),
)
}