Struct rustc_resolve::PerNS [−][src]
pub struct PerNS<T> { pub value_ns: T, pub type_ns: T, pub macro_ns: T, }
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Just a helper ‒ separate structure for each namespace.
Fields
value_ns: T
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
type_ns: T
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
macro_ns: T
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Methods
impl<T> PerNS<T>
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impl<T> PerNS<T>
pub fn map<U, F>(self, f: F) -> PerNS<U> where
F: FnMut(T) -> U,
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pub fn map<U, F>(self, f: F) -> PerNS<U> where
F: FnMut(T) -> U,
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
impl<T> PerNS<Option<T>>
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impl<T> PerNS<Option<T>>
pub fn is_empty(&self) -> bool
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pub fn is_empty(&self) -> bool
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Returns whether all the items in this collection are None
.
pub fn present_items(
self
) -> impl Iterator<Item = T>
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pub fn present_items(
self
) -> impl Iterator<Item = T>
🔬 This is a nightly-only experimental API. (rustc_private
)
this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml
instead?
Returns an iterator over the items which are Some
.
Trait Implementations
impl<T> Default for PerNS<T> where
T: Default,
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impl<T> Default for PerNS<T> where
T: Default,
impl<T> Index<Namespace> for PerNS<T>
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impl<T> Index<Namespace> for PerNS<T>
type Output = T
The returned type after indexing.
ⓘImportant traits for &'a mut Wfn index(&self, ns: Namespace) -> &T
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fn index(&self, ns: Namespace) -> &T
Performs the indexing (container[index]
) operation.
impl<T> Clone for PerNS<T> where
T: Clone,
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impl<T> Clone for PerNS<T> where
T: Clone,
fn clone(&self) -> PerNS<T>
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fn clone(&self) -> PerNS<T>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl<T> Copy for PerNS<T> where
T: Copy,
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impl<T> Copy for PerNS<T> where
T: Copy,
impl<T> IndexMut<Namespace> for PerNS<T>
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impl<T> IndexMut<Namespace> for PerNS<T>
ⓘImportant traits for &'a mut Wfn index_mut(&mut self, ns: Namespace) -> &mut T
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fn index_mut(&mut self, ns: Namespace) -> &mut T
Performs the mutable indexing (container[index]
) operation.
impl<T> Debug for PerNS<T> where
T: Debug,
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impl<T> Debug for PerNS<T> where
T: Debug,