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Auto merge of #89262 - Manishearth:rollup-vtkbetm, r=Manishearth

Rollup of 7 pull requests

Successful merges:

 - #88895 (rustdoc: Cleanup `clean` part 2)
 - #88973 (Expose the std_detect env_override feature)
 - #89010 (Add some intra doc links)
 - #89198 (rustdoc: Don't show hidden trait methods)
 - #89216 (Consistent big O notation)
 - #89224 (Change the order of imports suggestions)
 - #89256 (Fix typo in release notes)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2021-09-26 02:31:12 +00:00
commit 4da89a180f
30 changed files with 207 additions and 117 deletions

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@ -17,7 +17,7 @@ Compiler
- [Upgrade to LLVM 13.][rust#87570]
- [Support memory, address, and thread sanitizers on aarch64-unknown-freebsd.][rust#88023]
- [Allow specifying an deployment target version for all iOS targets][rust#87699]
- [Allow specifying a deployment target version for all iOS targets][rust#87699]
- [Warnings can be forced on with `--force-warn`.][rust#87472]
This feature is primarily intended for usage by `cargo fix`, rather than end users.
- [Promote `aarch64-apple-ios-sim` to Tier 2\*.][rust#87760]
@ -5170,7 +5170,7 @@ Libraries
- [Upgrade to Unicode 10.0.0][42999]
- [Reimplemented `{f32, f64}::{min, max}` in Rust instead of using CMath.][42430]
- [Skip the main thread's manual stack guard on Linux][43072]
- [Iterator::nth for `ops::{Range, RangeFrom}` is now done in O(1) time][43077]
- [Iterator::nth for `ops::{Range, RangeFrom}` is now done in *O*(1) time][43077]
- [`#[repr(align(N))]` attribute max number is now 2^31 - 1.][43097] This was
previously 2^15.
- [`{OsStr, Path}::Display` now avoids allocations where possible][42613]
@ -8473,7 +8473,7 @@ Libraries
algorithm][s].
* [`std::io::copy` allows `?Sized` arguments][cc].
* The `Windows`, `Chunks`, and `ChunksMut` iterators over slices all
[override `count`, `nth` and `last` with an O(1)
[override `count`, `nth` and `last` with an *O*(1)
implementation][it].
* [`Default` is implemented for arrays up to `[T; 32]`][d].
* [`IntoRawFd` has been added to the Unix-specific prelude,
@ -8995,7 +8995,7 @@ Libraries
* The `Default` implementation for `Arc` [no longer requires `Sync +
Send`][arc].
* [The `Iterator` methods `count`, `nth`, and `last` have been
overridden for slices to have O(1) performance instead of O(n)][si].
overridden for slices to have *O*(1) performance instead of *O*(*n*)][si].
* Incorrect handling of paths on Windows has been improved in both the
compiler and the standard library.
* [`AtomicPtr` gained a `Default` implementation][ap].

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@ -3,7 +3,7 @@
//! Also computes as the resulting DAG if each SCC is replaced with a
//! node in the graph. This uses [Tarjan's algorithm](
//! https://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm)
//! that completes in *O(n)* time.
//! that completes in *O*(*n*) time.
use crate::fx::FxHashSet;
use crate::graph::vec_graph::VecGraph;

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@ -9,7 +9,7 @@ mod index_map;
pub use index_map::SortedIndexMultiMap;
/// `SortedMap` is a data structure with similar characteristics as BTreeMap but
/// slightly different trade-offs: lookup, insertion, and removal are O(log(N))
/// slightly different trade-offs: lookup, insertion, and removal are *O*(log(*n*))
/// and elements can be iterated in order cheaply.
///
/// `SortedMap` can be faster than a `BTreeMap` for small sizes (<50) since it

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@ -1706,6 +1706,9 @@ crate fn show_candidates(
candidates.iter().map(|c| path_names_to_string(&c.path)).collect();
path_strings.sort();
let core_path_strings =
path_strings.drain_filter(|p| p.starts_with("core::")).collect::<Vec<String>>();
path_strings.extend(core_path_strings);
path_strings.dedup();
let (determiner, kind) = if candidates.len() == 1 {

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@ -10,6 +10,7 @@
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![feature(box_patterns)]
#![feature(drain_filter)]
#![feature(bool_to_option)]
#![feature(crate_visibility_modifier)]
#![feature(format_args_capture)]

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@ -3,7 +3,7 @@
//! Insertion and popping the largest element have *O*(log(*n*)) time complexity.
//! Checking the largest element is *O*(1). Converting a vector to a binary heap
//! can be done in-place, and has *O*(*n*) complexity. A binary heap can also be
//! converted to a sorted vector in-place, allowing it to be used for an *O*(*n* \* log(*n*))
//! converted to a sorted vector in-place, allowing it to be used for an *O*(*n* * log(*n*))
//! in-place heapsort.
//!
//! # Examples
@ -159,9 +159,9 @@ use super::SpecExtend;
/// This will be a max-heap.
///
/// It is a logic error for an item to be modified in such a way that the
/// item's ordering relative to any other item, as determined by the `Ord`
/// item's ordering relative to any other item, as determined by the [`Ord`]
/// trait, changes while it is in the heap. This is normally only possible
/// through `Cell`, `RefCell`, global state, I/O, or unsafe code. The
/// through [`Cell`], [`RefCell`], global state, I/O, or unsafe code. The
/// behavior resulting from such a logic error is not specified, but will
/// not result in undefined behavior. This could include panics, incorrect
/// results, aborts, memory leaks, and non-termination.
@ -219,7 +219,7 @@ use super::SpecExtend;
///
/// ## Min-heap
///
/// Either `std::cmp::Reverse` or a custom `Ord` implementation can be used to
/// Either [`core::cmp::Reverse`] or a custom [`Ord`] implementation can be used to
/// make `BinaryHeap` a min-heap. This makes `heap.pop()` return the smallest
/// value instead of the greatest one.
///
@ -243,13 +243,17 @@ use super::SpecExtend;
///
/// # Time complexity
///
/// | [push] | [pop] | [peek]/[peek\_mut] |
/// |--------|-----------|--------------------|
/// | O(1)~ | *O*(log(*n*)) | *O*(1) |
/// | [push] | [pop] | [peek]/[peek\_mut] |
/// |---------|---------------|--------------------|
/// | *O*(1)~ | *O*(log(*n*)) | *O*(1) |
///
/// The value for `push` is an expected cost; the method documentation gives a
/// more detailed analysis.
///
/// [`core::cmp::Reverse`]: core::cmp::Reverse
/// [`Ord`]: core::cmp::Ord
/// [`Cell`]: core::cell::Cell
/// [`RefCell`]: core::cell::RefCell
/// [push]: BinaryHeap::push
/// [pop]: BinaryHeap::pop
/// [peek]: BinaryHeap::peek
@ -1255,9 +1259,10 @@ impl<T> FusedIterator for Iter<'_, T> {}
/// An owning iterator over the elements of a `BinaryHeap`.
///
/// This `struct` is created by [`BinaryHeap::into_iter()`]
/// (provided by the `IntoIterator` trait). See its documentation for more.
/// (provided by the [`IntoIterator`] trait). See its documentation for more.
///
/// [`into_iter`]: BinaryHeap::into_iter
/// [`IntoIterator`]: core::iter::IntoIterator
#[stable(feature = "rust1", since = "1.0.0")]
#[derive(Clone)]
pub struct IntoIter<T> {

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@ -326,9 +326,10 @@ impl<K: fmt::Debug, V: fmt::Debug> fmt::Debug for IterMut<'_, K, V> {
/// An owning iterator over the entries of a `BTreeMap`.
///
/// This `struct` is created by the [`into_iter`] method on [`BTreeMap`]
/// (provided by the `IntoIterator` trait). See its documentation for more.
/// (provided by the [`IntoIterator`] trait). See its documentation for more.
///
/// [`into_iter`]: IntoIterator::into_iter
/// [`IntoIterator`]: core::iter::IntoIterator
#[stable(feature = "rust1", since = "1.0.0")]
pub struct IntoIter<K, V> {
range: LazyLeafRange<marker::Dying, K, V>,

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@ -107,9 +107,10 @@ impl<T: fmt::Debug> fmt::Debug for Iter<'_, T> {
/// An owning iterator over the items of a `BTreeSet`.
///
/// This `struct` is created by the [`into_iter`] method on [`BTreeSet`]
/// (provided by the `IntoIterator` trait). See its documentation for more.
/// (provided by the [`IntoIterator`] trait). See its documentation for more.
///
/// [`into_iter`]: BTreeSet#method.into_iter
/// [`IntoIterator`]: core::iter::IntoIterator
#[stable(feature = "rust1", since = "1.0.0")]
#[derive(Debug)]
pub struct IntoIter<T> {

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@ -38,9 +38,12 @@ mod tests;
/// let list = LinkedList::from([1, 2, 3]);
/// ```
///
/// NOTE: It is almost always better to use `Vec` or `VecDeque` because
/// NOTE: It is almost always better to use [`Vec`] or [`VecDeque`] because
/// array-based containers are generally faster,
/// more memory efficient, and make better use of CPU cache.
///
/// [`Vec`]: crate::vec::Vec
/// [`VecDeque`]: super::vec_deque::VecDeque
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "LinkedList")]
pub struct LinkedList<T> {
@ -121,9 +124,10 @@ impl<T: fmt::Debug> fmt::Debug for IterMut<'_, T> {
/// An owning iterator over the elements of a `LinkedList`.
///
/// This `struct` is created by the [`into_iter`] method on [`LinkedList`]
/// (provided by the `IntoIterator` trait). See its documentation for more.
/// (provided by the [`IntoIterator`] trait). See its documentation for more.
///
/// [`into_iter`]: LinkedList::into_iter
/// [`IntoIterator`]: core::iter::IntoIterator
#[derive(Clone)]
#[stable(feature = "rust1", since = "1.0.0")]
pub struct IntoIter<T> {

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@ -8,9 +8,10 @@ use super::VecDeque;
/// An owning iterator over the elements of a `VecDeque`.
///
/// This `struct` is created by the [`into_iter`] method on [`VecDeque`]
/// (provided by the `IntoIterator` trait). See its documentation for more.
/// (provided by the [`IntoIterator`] trait). See its documentation for more.
///
/// [`into_iter`]: VecDeque::into_iter
/// [`IntoIterator`]: core::iter::IntoIterator
#[derive(Clone)]
#[stable(feature = "rust1", since = "1.0.0")]
pub struct IntoIter<

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@ -1,8 +1,8 @@
//! A contiguous growable array type with heap-allocated contents, written
//! `Vec<T>`.
//!
//! Vectors have `O(1)` indexing, amortized `O(1)` push (to the end) and
//! `O(1)` pop (from the end).
//! Vectors have *O*(1) indexing, amortized *O*(1) push (to the end) and
//! *O*(1) pop (from the end).
//!
//! Vectors ensure they never allocate more than `isize::MAX` bytes.
//!
@ -1270,7 +1270,7 @@ impl<T, A: Allocator> Vec<T, A> {
///
/// The removed element is replaced by the last element of the vector.
///
/// This does not preserve ordering, but is O(1).
/// This does not preserve ordering, but is *O*(1).
///
/// # Panics
///

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@ -1795,10 +1795,11 @@ pub trait Iterator {
/// The relative order of partitioned items is not maintained.
///
/// # Current implementation
///
/// Current algorithms tries finding the first element for which the predicate evaluates
/// to false, and the last element for which it evaluates to true and repeatedly swaps them.
///
/// Time Complexity: *O*(*N*)
/// Time complexity: *O*(*n*)
///
/// See also [`is_partitioned()`] and [`partition()`].
///

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@ -72,6 +72,7 @@ panic_immediate_abort = ["core/panic_immediate_abort"]
# https://github.com/rust-lang/stdarch/blob/master/crates/std_detect/Cargo.toml
std_detect_file_io = ["std_detect/std_detect_file_io"]
std_detect_dlsym_getauxval = ["std_detect/std_detect_dlsym_getauxval"]
std_detect_env_override = ["std_detect/std_detect_env_override"]
[package.metadata.fortanix-sgx]
# Maximum possible number of threads when testing

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@ -1257,9 +1257,10 @@ impl<'a, K, V> IterMut<'a, K, V> {
/// An owning iterator over the entries of a `HashMap`.
///
/// This `struct` is created by the [`into_iter`] method on [`HashMap`]
/// (provided by the `IntoIterator` trait). See its documentation for more.
/// (provided by the [`IntoIterator`] trait). See its documentation for more.
///
/// [`into_iter`]: IntoIterator::into_iter
/// [`IntoIterator`]: crate::iter::IntoIterator
///
/// # Example
///

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@ -1237,9 +1237,10 @@ pub struct Iter<'a, K: 'a> {
/// An owning iterator over the items of a `HashSet`.
///
/// This `struct` is created by the [`into_iter`] method on [`HashSet`]
/// (provided by the `IntoIterator` trait). See its documentation for more.
/// (provided by the [`IntoIterator`] trait). See its documentation for more.
///
/// [`into_iter`]: IntoIterator::into_iter
/// [`IntoIterator`]: crate::iter::IntoIterator
///
/// # Examples
///

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@ -97,11 +97,11 @@
//!
//! ## Sequences
//!
//! | | get(i) | insert(i) | remove(i) | append | split_off(i) |
//! |----------------|----------------|-----------------|----------------|--------|----------------|
//! | [`Vec`] | O(1) | O(n-i)* | O(n-i) | O(m)* | O(n-i) |
//! | [`VecDeque`] | O(1) | O(min(i, n-i))* | O(min(i, n-i)) | O(m)* | O(min(i, n-i)) |
//! | [`LinkedList`] | O(min(i, n-i)) | O(min(i, n-i)) | O(min(i, n-i)) | O(1) | O(min(i, n-i)) |
//! | | get(i) | insert(i) | remove(i) | append | split_off(i) |
//! |----------------|------------------------|-------------------------|------------------------|-----------|------------------------|
//! | [`Vec`] | *O*(1) | *O*(*n*-*i*)* | *O*(*n*-*i*) | *O*(*m*)* | *O*(*n*-*i*) |
//! | [`VecDeque`] | *O*(1) | *O*(min(*i*, *n*-*i*))* | *O*(min(*i*, *n*-*i*)) | *O*(*m*)* | *O*(min(*i*, *n*-*i*)) |
//! | [`LinkedList`] | *O*(min(*i*, *n*-*i*)) | *O*(min(*i*, *n*-*i*)) | *O*(min(*i*, *n*-*i*)) | *O*(1) | *O*(min(*i*, *n*-*i*)) |
//!
//! Note that where ties occur, [`Vec`] is generally going to be faster than [`VecDeque`], and
//! [`VecDeque`] is generally going to be faster than [`LinkedList`].
@ -110,10 +110,10 @@
//!
//! For Sets, all operations have the cost of the equivalent Map operation.
//!
//! | | get | insert | remove | range | append |
//! |--------------|-----------|-----------|-----------|-----------|--------|
//! | [`HashMap`] | O(1)~ | O(1)~* | O(1)~ | N/A | N/A |
//! | [`BTreeMap`] | O(log(n)) | O(log(n)) | O(log(n)) | O(log(n)) | O(n+m) |
//! | | get | insert | remove | range | append |
//! |--------------|---------------|---------------|---------------|---------------|--------------|
//! | [`HashMap`] | *O*(1)~ | *O*(1)~* | *O*(1)~ | N/A | N/A |
//! | [`BTreeMap`] | *O*(log(*n*)) | *O*(log(*n*)) | *O*(log(*n*)) | *O*(log(*n*)) | *O*(*n*+*m*) |
//!
//! # Correct and Efficient Usage of Collections
//!

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@ -43,8 +43,8 @@
//! terminator, so the buffer length is really `len+1` characters.
//! Rust strings don't have a nul terminator; their length is always
//! stored and does not need to be calculated. While in Rust
//! accessing a string's length is a `O(1)` operation (because the
//! length is stored); in C it is an `O(length)` operation because the
//! accessing a string's length is an *O*(1) operation (because the
//! length is stored); in C it is an *O*(*n*) operation because the
//! length needs to be computed by scanning the string for the nul
//! terminator.
//!

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@ -33,3 +33,4 @@ panic_immediate_abort = ["std/panic_immediate_abort"]
profiler = ["std/profiler"]
std_detect_file_io = ["std/std_detect_file_io"]
std_detect_dlsym_getauxval = ["std/std_detect_dlsym_getauxval"]
std_detect_env_override = ["std/std_detect_env_override"]

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@ -354,7 +354,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
let (poly_trait, output) =
(data.0.as_ref().unwrap().clone(), data.1.as_ref().cloned().map(Box::new));
let new_ty = match poly_trait.trait_ {
Type::ResolvedPath { ref path, ref did, ref is_generic } => {
Type::ResolvedPath { ref path, ref did } => {
let mut new_path = path.clone();
let last_segment =
new_path.segments.pop().expect("segments were empty");
@ -389,11 +389,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
.segments
.push(PathSegment { name: last_segment.name, args: new_params });
Type::ResolvedPath {
path: new_path,
did: *did,
is_generic: *is_generic,
}
Type::ResolvedPath { path: new_path, did: *did }
}
_ => panic!("Unexpected data: {:?}, {:?}", ty, data),
};
@ -563,11 +559,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
Type::QPath { name: left_name, ref self_type, ref trait_, .. } => {
let ty = &*self_type;
match **trait_ {
Type::ResolvedPath {
path: ref trait_path,
ref did,
ref is_generic,
} => {
Type::ResolvedPath { path: ref trait_path, ref did } => {
let mut new_trait_path = trait_path.clone();
if self.is_fn_ty(trait_) && left_name == sym::Output {
@ -612,7 +604,6 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
trait_: Type::ResolvedPath {
path: new_trait_path,
did: *did,
is_generic: *is_generic,
},
generic_params: Vec::new(),
},

View file

@ -389,13 +389,45 @@ crate fn build_impl(
}
}
let document_hidden = cx.render_options.document_hidden;
let predicates = tcx.explicit_predicates_of(did);
let (trait_items, generics) = match impl_item {
Some(impl_) => (
impl_
.items
.iter()
.map(|item| tcx.hir().impl_item(item.id).clean(cx))
.map(|item| tcx.hir().impl_item(item.id))
.filter(|item| {
// Filter out impl items whose corresponding trait item has `doc(hidden)`
// not to document such impl items.
// For inherent impls, we don't do any filtering, because that's already done in strip_hidden.rs.
// When `--document-hidden-items` is passed, we don't
// do any filtering, too.
if document_hidden {
return true;
}
if let Some(associated_trait) = associated_trait {
let assoc_kind = match item.kind {
hir::ImplItemKind::Const(..) => ty::AssocKind::Const,
hir::ImplItemKind::Fn(..) => ty::AssocKind::Fn,
hir::ImplItemKind::TyAlias(..) => ty::AssocKind::Type,
};
let trait_item = tcx
.associated_items(associated_trait.def_id)
.find_by_name_and_kind(
tcx,
item.ident,
assoc_kind,
associated_trait.def_id,
)
.unwrap(); // SAFETY: For all impl items there exists trait item that has the same name.
!tcx.get_attrs(trait_item.def_id).lists(sym::doc).has_word(sym::hidden)
} else {
true
}
})
.map(|item| item.clean(cx))
.collect::<Vec<_>>(),
impl_.generics.clean(cx),
),

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@ -168,7 +168,7 @@ impl Clean<Type> for (ty::TraitRef<'_>, &[TypeBinding]) {
debug!("ty::TraitRef\n subst: {:?}\n", trait_ref.substs);
ResolvedPath { path, did: trait_ref.def_id, is_generic: false }
ResolvedPath { path, did: trait_ref.def_id }
}
}
@ -1440,12 +1440,12 @@ impl<'tcx> Clean<Type> for Ty<'tcx> {
};
inline::record_extern_fqn(cx, did, kind);
let path = external_path(cx, did, false, vec![], substs);
ResolvedPath { path, did, is_generic: false }
ResolvedPath { path, did }
}
ty::Foreign(did) => {
inline::record_extern_fqn(cx, did, ItemType::ForeignType);
let path = external_path(cx, did, false, vec![], InternalSubsts::empty());
ResolvedPath { path, did, is_generic: false }
ResolvedPath { path, did }
}
ty::Dynamic(ref obj, ref reg) => {
// HACK: pick the first `did` as the `did` of the trait object. Someone
@ -1471,7 +1471,7 @@ impl<'tcx> Clean<Type> for Ty<'tcx> {
let path = external_path(cx, did, false, vec![], empty);
inline::record_extern_fqn(cx, did, ItemType::Trait);
let bound = PolyTrait {
trait_: ResolvedPath { path, did, is_generic: false },
trait_: ResolvedPath { path, did },
generic_params: Vec::new(),
};
bounds.push(bound);
@ -1488,10 +1488,7 @@ impl<'tcx> Clean<Type> for Ty<'tcx> {
let path = external_path(cx, did, false, bindings, substs);
bounds.insert(
0,
PolyTrait {
trait_: ResolvedPath { path, did, is_generic: false },
generic_params: Vec::new(),
},
PolyTrait { trait_: ResolvedPath { path, did }, generic_params: Vec::new() },
);
DynTrait(bounds, lifetime)

View file

@ -1114,10 +1114,7 @@ impl GenericBound {
let path = external_path(cx, did, false, vec![], empty);
inline::record_extern_fqn(cx, did, ItemType::Trait);
GenericBound::TraitBound(
PolyTrait {
trait_: ResolvedPath { path, did, is_generic: false },
generic_params: Vec::new(),
},
PolyTrait { trait_: ResolvedPath { path, did }, generic_params: Vec::new() },
hir::TraitBoundModifier::Maybe,
)
}
@ -1384,8 +1381,6 @@ crate enum Type {
ResolvedPath {
path: Path,
did: DefId,
/// `true` if is a `T::Name` path for associated types.
is_generic: bool,
},
/// `dyn for<'a> Trait<'a> + Send + 'static`
DynTrait(Vec<PolyTrait>, Option<Lifetime>),
@ -1503,9 +1498,10 @@ impl Type {
}
}
crate fn is_generic(&self) -> bool {
match *self {
ResolvedPath { is_generic, .. } => is_generic,
/// Checks if this is a `T::Name` path for an associated type.
crate fn is_assoc_ty(&self) -> bool {
match self {
ResolvedPath { path, .. } => path.is_assoc_ty(),
_ => false,
}
}
@ -1994,6 +1990,16 @@ impl Path {
String::from(if self.global { "::" } else { "" })
+ &self.segments.iter().map(|s| s.name.to_string()).collect::<Vec<_>>().join("::")
}
/// Checks if this is a `T::Name` path for an associated type.
crate fn is_assoc_ty(&self) -> bool {
match self.res {
Res::SelfTy(..) if self.segments.len() != 1 => true,
Res::Def(DefKind::TyParam, _) if self.segments.len() != 1 => true,
Res::Def(DefKind::AssocTy, _) => true,
_ => false,
}
}
}
#[derive(Clone, PartialEq, Eq, Debug, Hash)]

View file

@ -159,9 +159,7 @@ pub(super) fn external_path(
crate fn strip_type(ty: Type) -> Type {
match ty {
Type::ResolvedPath { path, did, is_generic } => {
Type::ResolvedPath { path: strip_path(&path), did, is_generic }
}
Type::ResolvedPath { path, did } => Type::ResolvedPath { path: strip_path(&path), did },
Type::DynTrait(mut bounds, lt) => {
let first = bounds.remove(0);
let stripped_trait = strip_type(first.trait_);
@ -404,19 +402,15 @@ crate fn print_const_expr(tcx: TyCtxt<'_>, body: hir::BodyId) -> String {
crate fn resolve_type(cx: &mut DocContext<'_>, path: Path) -> Type {
debug!("resolve_type({:?})", path);
let is_generic = match path.res {
Res::PrimTy(p) => return Primitive(PrimitiveType::from(p)),
Res::SelfTy(..) if path.segments.len() == 1 => {
return Generic(kw::SelfUpper);
match path.res {
Res::PrimTy(p) => Primitive(PrimitiveType::from(p)),
Res::SelfTy(..) if path.segments.len() == 1 => Generic(kw::SelfUpper),
Res::Def(DefKind::TyParam, _) if path.segments.len() == 1 => Generic(path.segments[0].name),
_ => {
let did = register_res(cx, path.res);
ResolvedPath { path, did }
}
Res::Def(DefKind::TyParam, _) if path.segments.len() == 1 => {
return Generic(path.segments[0].name);
}
Res::SelfTy(..) | Res::Def(DefKind::TyParam | DefKind::AssocTy, _) => true,
_ => false,
};
let did = register_res(cx, path.res);
ResolvedPath { path, did, is_generic }
}
}
crate fn get_auto_trait_and_blanket_impls(

View file

@ -752,9 +752,9 @@ fn fmt_type<'cx>(
match *t {
clean::Generic(name) => write!(f, "{}", name),
clean::ResolvedPath { did, ref path, is_generic } => {
clean::ResolvedPath { did, ref path } => {
// Paths like `T::Output` and `Self::Output` should be rendered with all segments.
resolved_path(f, did, path, is_generic, use_absolute, cx)
resolved_path(f, did, path, path.is_assoc_ty(), use_absolute, cx)
}
clean::DynTrait(ref bounds, ref lt) => {
f.write_str("dyn ")?;
@ -825,28 +825,17 @@ fn fmt_type<'cx>(
hir::Mutability::Mut => "mut",
hir::Mutability::Not => "const",
};
match **t {
clean::Generic(_) | clean::ResolvedPath { is_generic: true, .. } => {
if f.alternate() {
primitive_link(
f,
clean::PrimitiveType::RawPointer,
&format!("*{} {:#}", m, t.print(cx)),
cx,
)
} else {
primitive_link(
f,
clean::PrimitiveType::RawPointer,
&format!("*{} {}", m, t.print(cx)),
cx,
)
}
}
_ => {
primitive_link(f, clean::PrimitiveType::RawPointer, &format!("*{} ", m), cx)?;
fmt::Display::fmt(&t.print(cx), f)
}
if matches!(**t, clean::Generic(_)) || t.is_assoc_ty() {
let text = if f.alternate() {
format!("*{} {:#}", m, t.print(cx))
} else {
format!("*{} {}", m, t.print(cx))
};
primitive_link(f, clean::PrimitiveType::RawPointer, &text, cx)
} else {
primitive_link(f, clean::PrimitiveType::RawPointer, &format!("*{} ", m), cx)?;
fmt::Display::fmt(&t.print(cx), f)
}
}
clean::BorrowedRef { lifetime: ref l, mutability, type_: ref ty } => {

View file

@ -712,11 +712,10 @@ fn item_trait(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, t: &clean::Tra
let mut implementor_dups: FxHashMap<Symbol, (DefId, bool)> = FxHashMap::default();
for implementor in implementors {
match implementor.inner_impl().for_ {
clean::ResolvedPath { ref path, did, is_generic: false, .. }
clean::ResolvedPath { ref path, did, .. }
| clean::BorrowedRef {
type_: box clean::ResolvedPath { ref path, did, is_generic: false, .. },
..
} => {
type_: box clean::ResolvedPath { ref path, did, .. }, ..
} if !path.is_assoc_ty() => {
let &mut (prev_did, ref mut has_duplicates) =
implementor_dups.entry(path.last()).or_insert((did, false));
if prev_did != did {
@ -1410,11 +1409,12 @@ fn render_implementor(
// If there's already another implementor that has the same abridged name, use the
// full path, for example in `std::iter::ExactSizeIterator`
let use_absolute = match implementor.inner_impl().for_ {
clean::ResolvedPath { ref path, is_generic: false, .. }
| clean::BorrowedRef {
type_: box clean::ResolvedPath { ref path, is_generic: false, .. },
..
} => implementor_dups[&path.last()].1,
clean::ResolvedPath { ref path, .. }
| clean::BorrowedRef { type_: box clean::ResolvedPath { ref path, .. }, .. }
if !path.is_assoc_ty() =>
{
implementor_dups[&path.last()].1
}
_ => false,
};
render_impl(

View file

@ -387,7 +387,7 @@ impl FromWithTcx<clean::Type> for Type {
fn from_tcx(ty: clean::Type, tcx: TyCtxt<'_>) -> Self {
use clean::Type::*;
match ty {
ResolvedPath { path, did, is_generic: _ } => Type::ResolvedPath {
ResolvedPath { path, did } => Type::ResolvedPath {
name: path.whole_name(),
id: from_item_id(did.into()),
args: path.segments.last().map(|args| Box::new(args.clone().args.into_tcx(tcx))),

View file

@ -128,7 +128,7 @@ impl<'a> DocFolder for ImplStripper<'a> {
return None;
}
if let Some(did) = imp.for_.def_id() {
if did.is_local() && !imp.for_.is_generic() && !self.retained.contains(&did.into())
if did.is_local() && !imp.for_.is_assoc_ty() && !self.retained.contains(&did.into())
{
debug!("ImplStripper: impl item for stripped type; removing");
return None;

View file

@ -0,0 +1,31 @@
// compile-flags: -Z unstable-options --document-hidden-items
// test for trait methods with `doc(hidden)` with `--document-hidden-items` passed.
#![crate_name = "foo"]
// @has foo/trait.Trait.html
// @has - '//*[@id="associatedtype.Foo"]' 'type Foo'
// @has - '//*[@id="associatedtype.Bar"]' 'type Bar'
// @has - '//*[@id="tymethod.f"]' 'fn f()'
// @has - '//*[@id="tymethod.g"]' 'fn g()'
pub trait Trait {
#[doc(hidden)]
type Foo;
type Bar;
#[doc(hidden)]
fn f();
fn g();
}
// @has foo/struct.S.html
// @has - '//*[@id="associatedtype.Foo"]' 'type Foo'
// @has - '//*[@id="associatedtype.Bar"]' 'type Bar'
// @has - '//*[@id="method.f"]' 'fn f()'
// @has - '//*[@id="method.g"]' 'fn g()'
pub struct S;
impl Trait for S {
type Foo = ();
type Bar = ();
fn f() {}
fn g() {}
}

View file

@ -0,0 +1,29 @@
// test for trait methods with `doc(hidden)`.
#![crate_name = "foo"]
// @has foo/trait.Trait.html
// @!has - '//*[@id="associatedtype.Foo"]' 'type Foo'
// @has - '//*[@id="associatedtype.Bar"]' 'type Bar'
// @!has - '//*[@id="tymethod.f"]' 'fn f()'
// @has - '//*[@id="tymethod.g"]' 'fn g()'
pub trait Trait {
#[doc(hidden)]
type Foo;
type Bar;
#[doc(hidden)]
fn f();
fn g();
}
// @has foo/struct.S.html
// @!has - '//*[@id="associatedtype.Foo"]' 'type Foo'
// @has - '//*[@id="associatedtype.Bar"]' 'type Bar'
// @!has - '//*[@id="method.f"]' 'fn f()'
// @has - '//*[@id="method.g"]' 'fn g()'
pub struct S;
impl Trait for S {
type Foo = ();
type Bar = ();
fn f() {}
fn g() {}
}

View file

@ -995,7 +995,7 @@ declare_clippy_lint! {
declare_clippy_lint! {
/// ### What it does
/// Checks for use of `.iter().nth()` (and the related
/// `.iter_mut().nth()`) on standard library types with O(1) element access.
/// `.iter_mut().nth()`) on standard library types with *O*(1) element access.
///
/// ### Why is this bad?
/// `.get()` and `.get_mut()` are more efficient and more