[−][src]Struct darling::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 Copy for Ignored
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impl UsesTypeParams for Ignored
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fn uses_type_params(
&self,
_opts: &Options,
&'a HashSet<Ident, BuildHasherDefault<FnvHasher>>
) -> HashSet<&'a Ident, BuildHasherDefault<FnvHasher>>
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&self,
_opts: &Options,
&'a HashSet<Ident, BuildHasherDefault<FnvHasher>>
) -> HashSet<&'a Ident, BuildHasherDefault<FnvHasher>>
fn uses_type_params_cloned(
&self,
options: &Options,
type_set: &HashSet<Ident, BuildHasherDefault<FnvHasher>>
) -> HashSet<Ident, BuildHasherDefault<FnvHasher>>
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&self,
options: &Options,
type_set: &HashSet<Ident, BuildHasherDefault<FnvHasher>>
) -> HashSet<Ident, BuildHasherDefault<FnvHasher>>
Find all type params using uses_type_params
, then clone the found values and return the set.
impl Default for Ignored
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impl UsesLifetimes for Ignored
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fn uses_lifetimes(
&self,
_opts: &Options,
&'a HashSet<Lifetime, BuildHasherDefault<FnvHasher>>
) -> HashSet<&'a Lifetime, BuildHasherDefault<FnvHasher>>
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&self,
_opts: &Options,
&'a HashSet<Lifetime, BuildHasherDefault<FnvHasher>>
) -> HashSet<&'a Lifetime, BuildHasherDefault<FnvHasher>>
fn uses_lifetimes_cloned(
&self,
options: &Options,
lifetimes: &HashSet<Lifetime, BuildHasherDefault<FnvHasher>>
) -> HashSet<Lifetime, BuildHasherDefault<FnvHasher>>
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&self,
options: &Options,
lifetimes: &HashSet<Lifetime, BuildHasherDefault<FnvHasher>>
) -> HashSet<Lifetime, BuildHasherDefault<FnvHasher>>
Find all used lifetimes, then clone them and return that set.
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
1.0.0[src]
This method tests for !=
.
impl Hash for Ignored
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fn hash<__H>(&self, state: &mut __H) where
__H: Hasher,
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__H: Hasher,
fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
Feeds a slice of this type into the given [Hasher
]. Read more
impl FromGenerics for Ignored
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impl FromDeriveInput for Ignored
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fn from_derive_input(&DeriveInput) -> Result<Ignored, Error>
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impl FromMeta for Ignored
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fn from_meta(&Meta) -> Result<Ignored, Error>
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fn from_nested_meta(item: &NestedMeta) -> Result<Self, Error>
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fn from_word() -> Result<Self, Error>
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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, Error>
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Create an instance from a list of nested meta items.
fn from_value(value: &Lit) -> Result<Self, Error>
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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, Error>
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Create an instance from a char literal in a value position.
fn from_string(value: &str) -> Result<Self, Error>
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Create an instance from a string literal in a value position.
fn from_bool(value: bool) -> Result<Self, Error>
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Create an instance from a bool literal in a value position.
impl FromGenericParam for Ignored
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fn from_generic_param(&GenericParam) -> Result<Ignored, Error>
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impl Eq for Ignored
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impl FromVariant for Ignored
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impl FromField for Ignored
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impl FromTypeParam for Ignored
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impl Debug for Ignored
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impl Clone for Ignored
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Auto Trait Implementations
Blanket Implementations
impl<T> From for T
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impl<T, U> Into 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,
impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = !
try_from
)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> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,