pub enum DecodeError {
    BufferLength {
        for_type: String,
        expected: usize,
        given: usize,
    },
    InvalidTag,
    InvalidUtf8,
    Other(String),
}
Expand description

An error that occurred when decoding.

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BufferLength

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§for_type: String
§expected: usize
§given: usize

Not enough data was provided in the input.

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InvalidTag

The tag does not exist for the sum.

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InvalidUtf8

Expected data to be UTF-8 but it wasn’t.

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Other(String)

Custom error not in the other variants of DecodeError.

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impl Clone for DecodeError

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fn clone(&self) -> DecodeError

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DecodeError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for DecodeError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Error for DecodeError

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fn custom(msg: impl Display) -> Self

Raised when there is general error when deserializing a type.
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fn unknown_variant_tag<'de, T: SumVisitor<'de>>(_tag: u8, _expected: &T) -> Self

The tag does not specify a variant of the sum type.
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fn invalid_product_length<'de, T: ProductVisitor<'de>>( len: usize, expected: &T ) -> Self

The product length was not as promised.
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fn missing_field<'de, T: ProductVisitor<'de>>( index: usize, field_name: Option<&str>, prod: &T ) -> Self

There was a missing field at index.
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fn duplicate_field<'de, T: ProductVisitor<'de>>( index: usize, field_name: Option<&str>, prod: &T ) -> Self

A field with index was specified more than once.
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fn unknown_field_name<'de, T: FieldNameVisitor<'de>>( field_name: &str, expected: &T ) -> Self

A field with name field_name does not exist.
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fn unknown_variant_name<T: VariantVisitor>(name: &str, expected: &T) -> Self

The name is not that of a variant of the sum type.
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impl Error for DecodeError

1.30.0 · source§

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
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impl From<DecodeError> for LibError

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fn from(source: DecodeError) -> Self

Converts to this type from the input type.
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impl From<DecodeError> for String

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fn from(err: DecodeError) -> Self

Converts to this type from the input type.
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impl From<Utf8Error> for DecodeError

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fn from(_: Utf8Error) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

Blanket 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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impl<T> BorrowMut<T> for T
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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more