Value

Enum Value 

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pub enum Value {
Show 15 variants Null, Int(i32), Long(i64), Boolean(bool), Float(f32), Double(f64), Record(Record), Fixed(Vec<u8>), Map(HashMap<String, Value>), Bytes(Vec<u8>), Str(String), Union(Box<Value>), Enum(String), Array(Vec<Value>), Byte(u8),
}
Expand description

Represents an Avro value

Variants§

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Null

A null value.

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Int(i32)

An i32 integer value.

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Long(i64)

An i64 long value.

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Boolean(bool)

A boolean value.

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Float(f32)

A f32 float value.

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Double(f64)

A f64 float value.

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Record(Record)

A Record value (BTreeMap<String, Value>).

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Fixed(Vec<u8>)

A Fixed value.

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Map(HashMap<String, Value>)

A Map value.

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Bytes(Vec<u8>)

A sequence of u8 bytes.

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Str(String)

Rust strings map directly to avro strings

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Union(Box<Value>)

A union is a sequence of unique Values

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Enum(String)

An enumeration. Unlike Rust enums, enums in avro don’t support data within their variants.

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Array(Vec<Value>)

An array of Values

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Byte(u8)

auxiliary u8 helper for serde. Not an avro value.

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impl Value

Value -> Rust value

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pub fn as_null(&self) -> Result<(), AvrowErr>

Try to retrieve an avro null

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pub fn as_boolean(&self) -> Result<&bool, AvrowErr>

Try to retrieve an avro boolean

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pub fn as_int(&self) -> Result<&i32, AvrowErr>

Try to retrieve an avro int

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pub fn as_long(&self) -> Result<&i64, AvrowErr>

Try to retrieve an avro long

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pub fn as_float(&self) -> Result<&f32, AvrowErr>

Try to retrieve an avro float

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pub fn as_double(&self) -> Result<&f64, AvrowErr>

Try to retrieve an avro double

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pub fn as_bytes(&self) -> Result<&[u8], AvrowErr>

Try to retrieve an avro bytes

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pub fn as_string(&self) -> Result<&str, AvrowErr>

Try to retrieve an avro string

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pub fn as_record(&self) -> Result<&Record, AvrowErr>

Try to retrieve an avro record

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pub fn as_enum(&self) -> Result<&str, AvrowErr>

Try to retrieve the variant of the enum as a string

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pub fn as_array(&self) -> Result<&[Value], AvrowErr>

Try to retrieve an avro array

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pub fn as_map(&self) -> Result<&HashMap<String, Value>, AvrowErr>

Try to retrieve an avro map

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pub fn as_union(&self) -> Result<&Value, AvrowErr>

Try to retrieve an avro union

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pub fn as_fixed(&self) -> Result<&[u8], AvrowErr>

Try to retrieve an avro fixed

Trait Implementations§

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impl Clone for Value

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fn clone(&self) -> Value

Returns a duplicate 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 Value

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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<'a> From<&'a [u8]> for Value

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fn from(value: &'a [u8]) -> Value

Converts to this type from the input type.
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impl<'a> From<&'a str> for Value

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fn from(value: &'a str) -> Value

Converts to this type from the input type.
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impl From<()> for Value

From impls for Value

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fn from(_v: ()) -> Value

Converts to this type from the input type.
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impl<T: Into<Value>> From<HashMap<String, T>> for Value

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fn from(v: HashMap<String, T>) -> Value

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

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fn from(v: String) -> Value

Converts to this type from the input type.
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impl<T: Into<Value>> From<Vec<T>> for Value

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fn from(values: Vec<T>) -> Value

Converts to this type from the input type.
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impl From<Vec<u8>> for Value

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fn from(value: Vec<u8>) -> Value

Converts to this type from the input type.
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impl From<bool> for Value

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fn from(value: bool) -> Value

Converts to this type from the input type.
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impl From<f32> for Value

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fn from(value: f32) -> Value

Converts to this type from the input type.
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impl From<f64> for Value

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fn from(value: f64) -> Value

Converts to this type from the input type.
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impl From<i32> for Value

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fn from(value: i32) -> Value

Converts to this type from the input type.
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impl From<i64> for Value

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fn from(value: i64) -> Value

Converts to this type from the input type.
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impl From<isize> for Value

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fn from(value: isize) -> Value

Converts to this type from the input type.
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impl From<u64> for Value

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fn from(value: u64) -> Value

Converts to this type from the input type.
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impl From<usize> for Value

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fn from(value: usize) -> Value

Converts to this type from the input type.
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impl PartialEq for Value

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fn eq(&self, other: &Value) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for Value

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for Value

Auto Trait Implementations§

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impl Freeze for Value

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impl RefUnwindSafe for Value

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impl Send for Value

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impl Sync for Value

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impl Unpin for Value

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impl UnwindSafe for Value

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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, 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> 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, 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.