pub trait Decodable<D: Decoder>: Sized {
    // Required method
    fn decode(d: &mut D) -> Self;
}
Expand description

Trait for types that can be deserialized

This can be implemented using the Decodable, TyDecodable and MetadataDecodable macros.

  • Decodable should be used in crates that don’t depend on rustc_middle.
  • MetadataDecodable is used in rustc_metadata for types that contain rustc_metadata::rmeta::Lazy.
  • TyDecodable should be used for types that are only serialized in crate metadata or the incremental cache. This is most types in rustc_middle.

Required Methods§

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fn decode(d: &mut D) -> Self

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl<'a> Decodable<MemDecoder<'a>> for Vec<u8>

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fn decode(d: &mut MemDecoder<'a>) -> Self

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impl<'a, D: Decoder> Decodable<D> for Cow<'a, str>

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fn decode(d: &mut D) -> Cow<'static, str>

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impl<D: Decoder> Decodable<D> for bool

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impl<D: Decoder> Decodable<D> for char

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impl<D: Decoder> Decodable<D> for i8

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impl<D: Decoder> Decodable<D> for i16

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impl<D: Decoder> Decodable<D> for i32

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impl<D: Decoder> Decodable<D> for i64

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impl<D: Decoder> Decodable<D> for i128

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impl<D: Decoder> Decodable<D> for isize

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impl<D: Decoder> Decodable<D> for !

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impl<D: Decoder> Decodable<D> for u8

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impl<D: Decoder> Decodable<D> for u16

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impl<D: Decoder> Decodable<D> for u32

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impl<D: Decoder> Decodable<D> for u64

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impl<D: Decoder> Decodable<D> for u128

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impl<D: Decoder> Decodable<D> for ()

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impl<D: Decoder> Decodable<D> for usize

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impl<D: Decoder> Decodable<D> for String

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impl<D: Decoder> Decodable<D> for NonZeroU32

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fn decode(d: &mut D) -> Self

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impl<D: Decoder> Decodable<D> for PathBuf

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impl<D: Decoder, A: Array<Item: Decodable<D>>> Decodable<D> for SmallVec<A>

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impl<D: Decoder, K, V> Decodable<D> for BTreeMap<K, V>
where K: Decodable<D> + PartialEq + Ord, V: Decodable<D>,

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impl<D: Decoder, K, V, S> Decodable<D> for HashMap<K, V, S>
where K: Decodable<D> + Hash + Eq, V: Decodable<D>, S: BuildHasher + Default,

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fn decode(d: &mut D) -> HashMap<K, V, S>

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impl<D: Decoder, K, V, S> Decodable<D> for IndexMap<K, V, S>
where K: Decodable<D> + Hash + Eq, V: Decodable<D>, S: BuildHasher + Default,

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fn decode(d: &mut D) -> IndexMap<K, V, S>

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impl<D: Decoder, T0: Decodable<D>, T1: Decodable<D>, T2: Decodable<D>, T3: Decodable<D>, T4: Decodable<D>, T5: Decodable<D>, T6: Decodable<D>, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)

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impl<D: Decoder, T1: Decodable<D>, T2: Decodable<D>> Decodable<D> for Result<T1, T2>

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fn decode(d: &mut D) -> Result<T1, T2>

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impl<D: Decoder, T1: Decodable<D>, T2: Decodable<D>, T3: Decodable<D>, T4: Decodable<D>, T5: Decodable<D>, T6: Decodable<D>, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)

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impl<D: Decoder, T2: Decodable<D>, T3: Decodable<D>, T4: Decodable<D>, T5: Decodable<D>, T6: Decodable<D>, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)

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impl<D: Decoder, T3: Decodable<D>, T4: Decodable<D>, T5: Decodable<D>, T6: Decodable<D>, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T3, T4, T5, T6, T7, T8, T9, T10, T11)

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impl<D: Decoder, T4: Decodable<D>, T5: Decodable<D>, T6: Decodable<D>, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T4, T5, T6, T7, T8, T9, T10, T11)

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impl<D: Decoder, T5: Decodable<D>, T6: Decodable<D>, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T5, T6, T7, T8, T9, T10, T11)

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impl<D: Decoder, T6: Decodable<D>, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T6, T7, T8, T9, T10, T11)

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impl<D: Decoder, T7: Decodable<D>, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T7, T8, T9, T10, T11)

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impl<D: Decoder, T8: Decodable<D>, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T8, T9, T10, T11)

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impl<D: Decoder, T9: Decodable<D>, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T9, T10, T11)

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impl<D: Decoder, T10: Decodable<D>, T11: Decodable<D>> Decodable<D> for (T10, T11)

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impl<D: Decoder, T11: Decodable<D>> Decodable<D> for (T11,)

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impl<D: Decoder, T> Decodable<D> for BTreeSet<T>
where T: Decodable<D> + PartialEq + Ord,

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impl<D: Decoder, T> Decodable<D> for PhantomData<T>

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impl<D: Decoder, T, S> Decodable<D> for HashSet<T, S>
where T: Decodable<D> + Hash + Eq, S: BuildHasher + Default,

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fn decode(d: &mut D) -> HashSet<T, S>

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impl<D: Decoder, T, S> Decodable<D> for IndexSet<T, S>
where T: Decodable<D> + Hash + Eq, S: BuildHasher + Default,

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impl<D: Decoder, T: Decodable<D> + ToOwned> Decodable<D> for Cow<'static, [T]>
where [T]: ToOwned<Owned = Vec<T>>,

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fn decode(d: &mut D) -> Cow<'static, [T]>

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impl<D: Decoder, T: Decodable<D> + Copy> Decodable<D> for Cell<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Option<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Box<[T]>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Box<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for VecDeque<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Rc<[T]>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Rc<T>

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fn decode(d: &mut D) -> Rc<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Arc<[T]>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Arc<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for Vec<T>

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default fn decode(d: &mut D) -> Vec<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for RefCell<T>

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impl<D: Decoder, T: Decodable<D>> Decodable<D> for ThinVec<T>

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impl<D: Decoder, const N: usize> Decodable<D> for [u8; N]

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fn decode(d: &mut D) -> [u8; N]

Implementors§