[−][src]Struct darling_core::util::Ignored
An efficient way of discarding data from a syntax element.
All syntax elements will be successfully read into
the Ignored
struct, with all properties discarded.
Trait Implementations
impl FromDeriveInput for Ignored
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fn from_derive_input(_: &DeriveInput) -> Result<Self>
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impl FromField for Ignored
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fn from_field(_: &Field) -> Result<Self>
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impl FromGenericParam for Ignored
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fn from_generic_param(_: &GenericParam) -> Result<Self>
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impl FromGenerics for Ignored
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fn from_generics(_: &Generics) -> Result<Self>
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impl FromMeta for Ignored
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fn from_meta(_: &Meta) -> Result<Self>
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fn from_nested_meta(item: &NestedMeta) -> Result<Self>
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fn from_word() -> Result<Self>
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Create an instance from the presence of the word in the attribute with no additional options specified. Read more
fn from_list(items: &[NestedMeta]) -> Result<Self>
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Create an instance from a list of nested meta items.
fn from_value(value: &Lit) -> Result<Self>
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Create an instance from a literal value of either foo = "bar"
or foo("bar")
. This dispatches to the appropriate method based on the type of literal encountered, and generally should not be overridden by implementers. Read more
fn from_char(value: char) -> Result<Self>
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Create an instance from a char literal in a value position.
fn from_string(value: &str) -> Result<Self>
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Create an instance from a string literal in a value position.
fn from_bool(value: bool) -> Result<Self>
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Create an instance from a bool literal in a value position.
impl FromTypeParam for Ignored
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fn from_type_param(_: &TypeParam) -> Result<Self>
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impl FromVariant for Ignored
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fn from_variant(_: &Variant) -> Result<Self>
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impl UsesLifetimes for Ignored
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fn uses_lifetimes<'a>(
&self,
_opts: &Options,
_: &'a LifetimeSet
) -> LifetimeRefSet<'a>
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&self,
_opts: &Options,
_: &'a LifetimeSet
) -> LifetimeRefSet<'a>
fn uses_lifetimes_cloned(
&self,
options: &Options,
lifetimes: &LifetimeSet
) -> LifetimeSet
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&self,
options: &Options,
lifetimes: &LifetimeSet
) -> LifetimeSet
Find all used lifetimes, then clone them and return that set.
impl UsesTypeParams for Ignored
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fn uses_type_params<'a>(
&self,
_opts: &Options,
_: &'a IdentSet
) -> IdentRefSet<'a>
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&self,
_opts: &Options,
_: &'a IdentSet
) -> IdentRefSet<'a>
fn uses_type_params_cloned(
&self,
options: &Options,
type_set: &IdentSet
) -> IdentSet
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&self,
options: &Options,
type_set: &IdentSet
) -> IdentSet
Find all type params using uses_type_params
, then clone the found values and return the set.
impl Copy for Ignored
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impl Default for Ignored
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impl Clone for Ignored
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fn clone(&self) -> Ignored
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl PartialEq<Ignored> for Ignored
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fn eq(&self, other: &Ignored) -> bool
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#[must_use]
fn ne(&self, other: &Rhs) -> bool
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This method tests for !=
.
impl Eq for Ignored
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impl Debug for Ignored
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impl Hash for Ignored
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Auto Trait Implementations
impl Sync for Ignored
impl Unpin for Ignored
impl Send for Ignored
impl UnwindSafe for Ignored
impl RefUnwindSafe for Ignored
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,