Enum Encoder 

enum Encoder<'a> {
    Boolean(BooleanEncoder<'a>),
    Int(IntEncoder<'a, Int32Type>),
    Long(LongEncoder<'a, Int64Type>),
    TimestampMicros(LongEncoder<'a, TimestampMicrosecondType>),
    TimestampMillis(LongEncoder<'a, TimestampMillisecondType>),
    TimestampNanos(LongEncoder<'a, TimestampNanosecondType>),
    Date32(IntEncoder<'a, Date32Type>),
    Time32SecsToMillis(Time32SecondsToMillisEncoder<'a>),
    Time32Millis(IntEncoder<'a, Time32MillisecondType>),
    Time64Micros(LongEncoder<'a, Time64MicrosecondType>),
    DurationSeconds(LongEncoder<'a, DurationSecondType>),
    DurationMillis(LongEncoder<'a, DurationMillisecondType>),
    DurationMicros(LongEncoder<'a, DurationMicrosecondType>),
    DurationNanos(LongEncoder<'a, DurationNanosecondType>),
    Float32(F32Encoder<'a>),
    Float64(F64Encoder<'a>),
    Binary(BinaryEncoder<'a, i32>),
    LargeBinary(BinaryEncoder<'a, i64>),
    Utf8(Utf8GenericEncoder<'a, i32>),
    Utf8Large(Utf8GenericEncoder<'a, i64>),
    Utf8View(Utf8ViewEncoder<'a>),
    BinaryView(BinaryViewEncoder<'a>),
    List(Box<ListEncoder<'a, i32>>),
    LargeList(Box<ListEncoder<'a, i64>>),
    ListView(Box<ListViewEncoder<'a, i32>>),
    LargeListView(Box<ListViewEncoder<'a, i64>>),
    FixedSizeList(Box<FixedSizeListEncoder<'a>>),
    Struct(Box<StructEncoder<'a>>),
    Fixed(FixedEncoder<'a>),
    Uuid(UuidEncoder<'a>),
    IntervalMonthDayNanoDuration(DurationEncoder<'a, IntervalMonthDayNanoType>),
    IntervalMonthDayNanoFixed(IntervalMonthDayNanoFixedEncoder<'a>),
    IntervalYearMonthDuration(DurationEncoder<'a, IntervalYearMonthType>),
    IntervalDayTimeDuration(DurationEncoder<'a, IntervalDayTimeType>),
    Decimal32(DecimalEncoder<'a, 4, Decimal32Array>),
    Decimal64(DecimalEncoder<'a, 8, Decimal64Array>),
    Decimal128(DecimalEncoder<'a, 16, Decimal128Array>),
    Decimal256(DecimalEncoder<'a, 32, Decimal256Array>),
    Enum(EnumEncoder<'a>),
    Map(Box<MapEncoder<'a>>),
    Union(Box<UnionEncoder<'a>>),
    RunEncoded16(Box<RunEncodedEncoder<'a, Int16Type>>),
    RunEncoded32(Box<RunEncodedEncoder<'a, Int32Type>>),
    RunEncoded64(Box<RunEncodedEncoder<'a, Int64Type>>),
    Null,
    Int8(Int8Encoder<'a>),
    Int16(Int16Encoder<'a>),
    UInt8(UInt8Encoder<'a>),
    UInt16(UInt16Encoder<'a>),
    UInt32(UInt32Encoder<'a>),
    UInt64Fixed(UInt64FixedEncoder<'a>),
    Float16Fixed(Float16FixedEncoder<'a>),
    Date64(LongEncoder<'a, Date64Type>),
    Time64Nanos(LongEncoder<'a, Time64NanosecondType>),
    Time32Secs(IntEncoder<'a, Time32SecondType>),
    TimestampSecs(LongEncoder<'a, TimestampSecondType>),
    IntervalYearMonthFixed(IntervalYearMonthFixedEncoder<'a>),
    IntervalDayTimeFixed(IntervalDayTimeFixedEncoder<'a>),
}

Variants

Boolean(BooleanEncoder<'a>)

Int(IntEncoder<'a, Int32Type>)

Long(LongEncoder<'a, Int64Type>)

TimestampMicros(LongEncoder<'a, TimestampMicrosecondType>)

TimestampMillis(LongEncoder<'a, TimestampMillisecondType>)

TimestampNanos(LongEncoder<'a, TimestampNanosecondType>)

Date32(IntEncoder<'a, Date32Type>)

Time32SecsToMillis(Time32SecondsToMillisEncoder<'a>)

Time32Millis(IntEncoder<'a, Time32MillisecondType>)

Time64Micros(LongEncoder<'a, Time64MicrosecondType>)

DurationSeconds(LongEncoder<'a, DurationSecondType>)

DurationMillis(LongEncoder<'a, DurationMillisecondType>)

DurationMicros(LongEncoder<'a, DurationMicrosecondType>)

DurationNanos(LongEncoder<'a, DurationNanosecondType>)

Float32(F32Encoder<'a>)

Float64(F64Encoder<'a>)

Binary(BinaryEncoder<'a, i32>)

LargeBinary(BinaryEncoder<'a, i64>)

Utf8(Utf8GenericEncoder<'a, i32>)

Utf8Large(Utf8GenericEncoder<'a, i64>)

Utf8View(Utf8ViewEncoder<'a>)

BinaryView(BinaryViewEncoder<'a>)

List(Box<ListEncoder<'a, i32>>)

LargeList(Box<ListEncoder<'a, i64>>)

ListView(Box<ListViewEncoder<'a, i32>>)

LargeListView(Box<ListViewEncoder<'a, i64>>)

FixedSizeList(Box<FixedSizeListEncoder<'a>>)

Struct(Box<StructEncoder<'a>>)

Fixed(FixedEncoder<'a>)

Avro fixed encoder (raw bytes, no length)

Uuid(UuidEncoder<'a>)

Avro uuid logical type encoder (string with RFC‑4122 hyphenated text)

IntervalMonthDayNanoDuration(DurationEncoder<'a, IntervalMonthDayNanoType>)

Avro duration logical type encoder (fixed(12) months/days/millis) for MonthDayNano.

IntervalMonthDayNanoFixed(IntervalMonthDayNanoFixedEncoder<'a>)

Arrow Interval(MonthDayNano) custom logical type encoder (fixed(16) months/days/nanos)

IntervalYearMonthDuration(DurationEncoder<'a, IntervalYearMonthType>)

Avro duration logical type encoder (fixed(12) months/days/millis) for YearMonth.

IntervalDayTimeDuration(DurationEncoder<'a, IntervalDayTimeType>)

Avro duration logical type encoder (fixed(12) months/days/millis) for DayTime.

Decimal32(DecimalEncoder<'a, 4, Decimal32Array>)

Decimal64(DecimalEncoder<'a, 8, Decimal64Array>)

Decimal128(DecimalEncoder<'a, 16, Decimal128Array>)

Decimal256(DecimalEncoder<'a, 32, Decimal256Array>)

Enum(EnumEncoder<'a>)

Avro enum encoder: writes the key (int) as the enum index.

Map(Box<MapEncoder<'a>>)

Union(Box<UnionEncoder<'a>>)

RunEncoded16(Box<RunEncodedEncoder<'a, Int16Type>>)

Run-end encoded values with specific run-end index widths

RunEncoded32(Box<RunEncodedEncoder<'a, Int32Type>>)

RunEncoded64(Box<RunEncodedEncoder<'a, Int64Type>>)

Null

Int8(Int8Encoder<'a>)

Int16(Int16Encoder<'a>)

UInt8(UInt8Encoder<'a>)

UInt16(UInt16Encoder<'a>)

UInt32(UInt32Encoder<'a>)

UInt64Fixed(UInt64FixedEncoder<'a>)

Float16Fixed(Float16FixedEncoder<'a>)

Date64(LongEncoder<'a, Date64Type>)

Time64Nanos(LongEncoder<'a, Time64NanosecondType>)

Time32Secs(IntEncoder<'a, Time32SecondType>)

TimestampSecs(LongEncoder<'a, TimestampSecondType>)

IntervalYearMonthFixed(IntervalYearMonthFixedEncoder<'a>)

IntervalDayTimeFixed(IntervalDayTimeFixedEncoder<'a>)

Implementations

impl<'a> Encoder<'a>

fn encode<W: Write + ?Sized>( &mut self, out: &mut W, idx: usize, ) -> Result<(), AvroError>

Encode the value at idx.