Struct rustc::hir::def_id::LocalDefId
[−]
[src]
pub struct LocalDefId(_);
🔬 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?
A LocalDefId is equivalent to a DefId with krate == LOCAL_CRATE
. Since
we encode this information in the type, we can ensure at compile time that
no DefIds from upstream crates get thrown into the mix. There are quite a
few cases where we know that only DefIds from the local crate are expected
and a DefId from a different crate would signify a bug somewhere. This
is when LocalDefId comes in handy.
Methods
impl LocalDefId
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impl LocalDefId
pub fn from_def_id(def_id: DefId) -> LocalDefId
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pub fn from_def_id(def_id: DefId) -> LocalDefId
🔬 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?
pub fn to_def_id(self) -> DefId
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pub fn to_def_id(self) -> DefId
🔬 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?
Trait Implementations
impl Clone for LocalDefId
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impl Clone for LocalDefId
fn clone(&self) -> LocalDefId
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fn clone(&self) -> LocalDefId
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 Copy for LocalDefId
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impl Copy for LocalDefId
impl Eq for LocalDefId
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impl Eq for LocalDefId
impl PartialEq for LocalDefId
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impl PartialEq for LocalDefId
fn eq(&self, __arg_0: &LocalDefId) -> bool
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fn eq(&self, __arg_0: &LocalDefId) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &LocalDefId) -> bool
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fn ne(&self, __arg_0: &LocalDefId) -> bool
This method tests for !=
.
impl Ord for LocalDefId
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impl Ord for LocalDefId
fn cmp(&self, __arg_0: &LocalDefId) -> Ordering
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fn cmp(&self, __arg_0: &LocalDefId) -> Ordering
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self
1.21.0[src]
fn max(self, other: Self) -> Self
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self
1.21.0[src]
fn min(self, other: Self) -> Self
Compares and returns the minimum of two values. Read more
impl PartialOrd for LocalDefId
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impl PartialOrd for LocalDefId
fn partial_cmp(&self, __arg_0: &LocalDefId) -> Option<Ordering>
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fn partial_cmp(&self, __arg_0: &LocalDefId) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
fn lt(&self, __arg_0: &LocalDefId) -> bool
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fn lt(&self, __arg_0: &LocalDefId) -> bool
This method tests less than (for self
and other
) and is used by the <
operator. Read more
fn le(&self, __arg_0: &LocalDefId) -> bool
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fn le(&self, __arg_0: &LocalDefId) -> bool
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
fn gt(&self, __arg_0: &LocalDefId) -> bool
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fn gt(&self, __arg_0: &LocalDefId) -> bool
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
fn ge(&self, __arg_0: &LocalDefId) -> bool
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fn ge(&self, __arg_0: &LocalDefId) -> bool
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
impl Hash for LocalDefId
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impl Hash for LocalDefId
fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
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fn hash<__H: Hasher>(&self, __arg_0: &mut __H)
Feeds this value into the given [Hasher
]. Read more
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl Debug for LocalDefId
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impl Debug for LocalDefId
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl UseSpecializedEncodable for LocalDefId
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impl UseSpecializedEncodable for LocalDefId
fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
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fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where
E: Encoder,
🔬 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?
Defaults to returning an error (see SpecializationError
).
impl UseSpecializedDecodable for LocalDefId
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impl UseSpecializedDecodable for LocalDefId
fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where
D: Decoder,
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fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where
D: Decoder,
🔬 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?
Defaults to returning an error (see SpecializationError
).
impl<'a> HashStable<StableHashingContext<'a>> for LocalDefId
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impl<'a> HashStable<StableHashingContext<'a>> for LocalDefId
fn hash_stable<W: StableHasherResult>(
&self,
hcx: &mut StableHashingContext<'a>,
hasher: &mut StableHasher<W>
)
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fn hash_stable<W: StableHasherResult>(
&self,
hcx: &mut StableHashingContext<'a>,
hasher: &mut StableHasher<W>
)
🔬 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<'a> ToStableHashKey<StableHashingContext<'a>> for LocalDefId
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impl<'a> ToStableHashKey<StableHashingContext<'a>> for LocalDefId
type KeyType = DefPathHash
🔬 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?
fn to_stable_hash_key(&self, hcx: &StableHashingContext<'a>) -> DefPathHash
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fn to_stable_hash_key(&self, hcx: &StableHashingContext<'a>) -> DefPathHash
🔬 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?
Auto Trait Implementations
impl Send for LocalDefId
impl Send for LocalDefId
impl Sync for LocalDefId
impl Sync for LocalDefId