Struct rustc_hir::def::PerNS

source ·
pub struct PerNS<T> {
    pub value_ns: T,
    pub type_ns: T,
    pub macro_ns: T,
}
Expand description

Just a helper ‒ separate structure for each namespace.

Fields§

§value_ns: T§type_ns: T§macro_ns: T

Implementations§

source§

impl<T> PerNS<T>

source

pub fn map<U, F: FnMut(T) -> U>(self, f: F) -> PerNS<U>

source

pub fn into_iter(self) -> IntoIter<T, 3>

source

pub fn iter(&self) -> IntoIter<&T, 3>

source§

impl<T> PerNS<Option<T>>

source

pub fn is_empty(&self) -> bool

Returns true if all the items in this collection are None.

source

pub fn present_items(self) -> impl Iterator<Item = T>

Returns an iterator over the items which are Some.

Trait Implementations§

source§

impl<T: Clone> Clone for PerNS<T>

source§

fn clone(&self) -> PerNS<T>

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
source§

impl<T: Debug> Debug for PerNS<T>

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
source§

impl<T: Default> Default for PerNS<T>

source§

fn default() -> PerNS<T>

Returns the “default value” for a type. Read more
source§

impl<T> Index<Namespace> for PerNS<T>

§

type Output = T

The returned type after indexing.
source§

fn index(&self, ns: Namespace) -> &T

Performs the indexing (container[index]) operation. Read more
source§

impl<T> IndexMut<Namespace> for PerNS<T>

source§

fn index_mut(&mut self, ns: Namespace) -> &mut T

Performs the mutable indexing (container[index]) operation. Read more
source§

impl<T: Copy> Copy for PerNS<T>

Auto Trait Implementations§

§

impl<T> RefUnwindSafe for PerNS<T>where T: RefUnwindSafe,

§

impl<T> Send for PerNS<T>where T: Send,

§

impl<T> Sync for PerNS<T>where T: Sync,

§

impl<T> Unpin for PerNS<T>where T: Unpin,

§

impl<T> UnwindSafe for PerNS<T>where T: UnwindSafe,

Blanket Implementations§

source§

impl<T> Any for Twhere T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<'tcx, T> ArenaAllocatable<'tcx, IsCopy> for Twhere T: Copy,

source§

fn allocate_on<'a>(self, arena: &'a Arena<'tcx>) -> &'a mut T

source§

fn allocate_from_iter<'a>( arena: &'a Arena<'tcx>, iter: impl IntoIterator<Item = T> ) -> &'a mut [T]

source§

impl<T> Borrow<T> for Twhere T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for Twhere U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> ToOwned for Twhere T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Layout§

Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.