Enum Encoder 

enum Encoder<'a> {
    Boolean(BooleanEncoder<'a>),
    Int(IntEncoder<'a, Int32Type>),
    Long(LongEncoder<'a, Int64Type>),
    Timestamp(LongEncoder<'a, TimestampMicrosecondType>),
    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>),
    List(Box<ListEncoder<'a, i32>>),
    LargeList(Box<ListEncoder<'a, i64>>),
    Struct(Box<StructEncoder<'a>>),
    Fixed(FixedEncoder<'a>),
    Uuid(UuidEncoder<'a>),
    IntervalMonthDayNano(DurationEncoder<'a, IntervalMonthDayNanoType>),
    IntervalYearMonth(DurationEncoder<'a, IntervalYearMonthType>),
    IntervalDayTime(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>>),
}

Variants

Boolean(BooleanEncoder<'a>)

Int(IntEncoder<'a, Int32Type>)

Long(LongEncoder<'a, Int64Type>)

Timestamp(LongEncoder<'a, TimestampMicrosecondType>)

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>)

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

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

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)

IntervalMonthDayNano(DurationEncoder<'a, IntervalMonthDayNanoType>)

Avro duration logical type (Arrow Interval(MonthDayNano)) encoder

IntervalYearMonth(DurationEncoder<'a, IntervalYearMonthType>)

Avro duration logical type (Arrow Interval(YearMonth)) encoder

IntervalDayTime(DurationEncoder<'a, IntervalDayTimeType>)

Avro duration logical type (Arrow Interval(DayTime)) encoder

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>>)

Implementations

impl<'a> Encoder<'a>

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

Encode the value at idx.