devela::_dep::toml_edit::de

Struct ValueDeserializer

pub struct ValueDeserializer { /* private fields */ }
Available on crate feature dep_toml_edit only.
Expand description

Deserialization implementation for TOML values.

Can be created either directly from TOML strings, using std::str::FromStr, or from parsed values using serde::de::IntoDeserializer::into_deserializer.

§Example

use serde::Deserialize;

#[derive(Deserialize)]
struct Config {
    title: String,
    owner: Owner,
}

#[derive(Deserialize)]
struct Owner {
    name: String,
}

let value = r#"{ title = 'TOML Example', owner = { name = 'Lisa' } }"#;
let deserializer = value.parse::<toml_edit::de::ValueDeserializer>().unwrap();
let config = Config::deserialize(deserializer).unwrap();
assert_eq!(config.title, "TOML Example");
assert_eq!(config.owner.name, "Lisa");

Trait Implementations§

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impl<'de> Deserializer<'de> for ValueDeserializer

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type Error = Error

The error type that can be returned if some error occurs during deserialization.
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fn deserialize_any<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Require the Deserializer to figure out how to drive the visitor based on what data type is in the input. Read more
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fn deserialize_option<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an optional value. Read more
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fn deserialize_newtype_struct<V>( self, _name: &'static str, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a newtype struct with a particular name.
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fn deserialize_struct<V>( self, name: &'static str, fields: &'static [&'static str], visitor: V, ) -> Result<<V as Visitor<'de>>::Value, Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a struct with a particular name and fields.
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fn deserialize_enum<V>( self, name: &'static str, variants: &'static [&'static str], visitor: V, ) -> Result<<V as Visitor<'de>>::Value, Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an enum value with a particular name and possible variants.
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fn deserialize_bool<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a bool value.
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fn deserialize_u8<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u8 value.
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fn deserialize_u16<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u16 value.
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fn deserialize_u32<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u32 value.
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fn deserialize_u64<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a u64 value.
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fn deserialize_i8<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i8 value.
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fn deserialize_i16<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i16 value.
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fn deserialize_i32<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i32 value.
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fn deserialize_i64<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i64 value.
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fn deserialize_f32<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a f32 value.
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fn deserialize_f64<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a f64 value.
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fn deserialize_char<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a char value.
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fn deserialize_str<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a string value and does not benefit from taking ownership of buffered data owned by the Deserializer. Read more
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fn deserialize_string<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a string value and would benefit from taking ownership of buffered data owned by the Deserializer. Read more
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fn deserialize_seq<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values.
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fn deserialize_bytes<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a byte array and does not benefit from taking ownership of buffered data owned by the Deserializer. Read more
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fn deserialize_byte_buf<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a byte array and would benefit from taking ownership of buffered data owned by the Deserializer. Read more
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fn deserialize_map<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a map of key-value pairs.
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fn deserialize_unit<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit value.
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fn deserialize_ignored_any<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type needs to deserialize a value whose type doesn’t matter because it is ignored. Read more
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fn deserialize_unit_struct<V>( self, name: &'static str, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a unit struct with a particular name.
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fn deserialize_tuple_struct<V>( self, name: &'static str, len: usize, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a tuple struct with a particular name and number of fields.
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fn deserialize_tuple<V>( self, len: usize, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting a sequence of values and knows how many values there are without looking at the serialized data.
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fn deserialize_identifier<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, <ValueDeserializer as Deserializer<'de>>::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting the name of a struct field or the discriminant of an enum variant.
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fn deserialize_i128<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, Self::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an i128 value. Read more
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fn deserialize_u128<V>( self, visitor: V, ) -> Result<<V as Visitor<'de>>::Value, Self::Error> ⓘ
where V: Visitor<'de>,

Hint that the Deserialize type is expecting an u128 value. Read more
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fn is_human_readable(&self) -> bool

Determine whether Deserialize implementations should expect to deserialize their human-readable form. Read more
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impl FromStr for ValueDeserializer

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fn from_str( s: &str, ) -> Result<ValueDeserializer, <ValueDeserializer as FromStr>::Err> ⓘ

Parses a value from a &str

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type Err = Error

The associated error which can be returned from parsing.
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impl IntoDeserializer<'_, Error> for ValueDeserializer

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type Deserializer = ValueDeserializer

The type of the deserializer being converted into.
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fn into_deserializer( self, ) -> <ValueDeserializer as IntoDeserializer<'_, Error>>::Deserializer

Convert this value into a deserializer.

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> ByteSized for T

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const BYTE_ALIGN: usize = _

The alignment of this type in bytes.
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const BYTE_SIZE: usize = _

The size of this type in bytes.
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fn byte_align(&self) -> usize

Returns the alignment of this type in bytes.
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fn byte_size(&self) -> usize

Returns the size of this type in bytes. Read more
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fn ptr_size_ratio(&self) -> [usize; 2]

Returns the size ratio between Ptr::BYTES and BYTE_SIZE. Read more
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fn chain<F>(self, f: F) -> R
where F: FnOnce(Self) -> R, Self: Sized,

Chain a function which takes the parameter by value.
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fn chain_ref<F>(&self, f: F) -> R
where F: FnOnce(&Self) -> R,

Chain a function which takes the parameter by shared reference.
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fn chain_mut<F>(&mut self, f: F) -> R
where F: FnOnce(&mut Self) -> R,

Chain a function which takes the parameter by exclusive reference.
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impl<T> ExtAny for T
where T: Any + ?Sized,

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fn type_id() -> TypeId

Returns the TypeId of Self. Read more
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fn type_of(&self) -> TypeId

Returns the TypeId of self. Read more
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fn type_name(&self) -> &'static str ⓘ

Returns the type name of self. Read more
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fn type_is<T: 'static>(&self) -> bool

Returns true if Self is of type T. Read more
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fn type_hash(&self) -> u64

Returns a deterministic hash of the TypeId of Self.
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fn type_hash_with<H: Hasher>(&self, hasher: H) -> u64

Returns a deterministic hash of the TypeId of Self using a custom hasher.
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where Self: Sized,

Upcasts &self as &dyn Any. Read more
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where Self: Sized,

Upcasts &mut self as &mut dyn Any. Read more
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fn as_any_box(self: Box<Self>) -> Box<dyn Any>
where Self: Sized,

Upcasts Box<self> as Box<dyn Any>. Read more
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fn downcast_ref<T: 'static>(&self) -> Option<&T> ⓘ

Available on crate feature unsafe_layout only.
Returns some shared reference to the inner value if it is of type T. Read more
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fn downcast_mut<T: 'static>(&mut self) -> Option<&mut T> ⓘ

Available on crate feature unsafe_layout only.
Returns some exclusive reference to the inner value if it is of type T. Read more
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impl<T> ExtMem for T
where T: ?Sized,

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const NEEDS_DROP: bool = _

Know whether dropping values of this type matters, in compile-time.
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fn mem_align_of<T>() -> usize

Returns the minimum alignment of the type in bytes. Read more
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fn mem_align_of_val(&self) -> usize

Returns the alignment of the pointed-to value in bytes. Read more
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fn mem_size_of<T>() -> usize

Returns the size of a type in bytes. Read more
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fn mem_size_of_val(&self) -> usize

Returns the size of the pointed-to value in bytes. Read more
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fn mem_copy(&self) -> Self
where Self: Copy,

Bitwise-copies a value. Read more
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fn mem_needs_drop(&self) -> bool

Returns true if dropping values of this type matters. Read more
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fn mem_drop(self)
where Self: Sized,

Drops self by running its destructor. Read more
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fn mem_forget(self)
where Self: Sized,

Forgets about self without running its destructor. Read more
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fn mem_replace(&mut self, other: Self) -> Self
where Self: Sized,

Replaces self with other, returning the previous value of self. Read more
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fn mem_take(&mut self) -> Self
where Self: Default,

Replaces self with its default value, returning the previous value of self. Read more
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fn mem_swap(&mut self, other: &mut Self)
where Self: Sized,

Swaps the value of self and other without deinitializing either one. Read more
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unsafe fn mem_zeroed<T>() -> T

Available on crate feature unsafe_layout only.
Returns the value of type T represented by the all-zero byte-pattern. Read more
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unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst

Available on crate feature unsafe_layout only.
Returns the value of type T represented by the all-zero byte-pattern. Read more
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fn mem_as_bytes(&self) -> &[u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.
View a Sync + Unpin self as &[u8]. Read more
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fn mem_as_bytes_mut(&mut self) -> &mut [u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.
View a Sync + Unpin self as &mut [u8]. Read more
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impl<T> From<T> for T

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Returns the argument unchanged.

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impl<S> FromSample<S> for S

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fn from_sample_(s: S) -> S

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fn hook_ref<F>(self, f: F) -> Self
where F: FnOnce(&Self),

Applies a function which takes the parameter by shared reference, and then returns the (possibly) modified owned value. Read more
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where F: FnOnce(&mut Self),

Applies a function which takes the parameter by exclusive reference, and then returns the (possibly) modified owned value. Read more
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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<F, T> IntoSample<T> for F
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fn into_sample(self) -> T

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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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Performs the conversion.
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