theweipeng commented on code in PR #1476:
URL: https://github.com/apache/incubator-fury/pull/1476#discussion_r1559489133
##########
docs/guide/xlang_type_mapping.md:
##########
@@ -4,4 +4,76 @@ sidebar_position: 3
id: xlang_type_mapping
---
-Coming soon.
+Note:
+
+- For type definition, see [Type Systems in
Spec](../specification/xlang_serialization_spec.md#type-systems)
+- `int16_t[n]/vector<T>` indicates `int16_t[n]/vector<int16_t>`
+- The cross-language serialization is not stable, do not use it in your
production environment.
+
+# Type Mapping
+
+| Type | Type ID | Java | Python |
Javascript | C++ | Golang | Rust
|
+|--------------------|---------|-----------------|----------------------|-----------------|--------------------------------|------------------|------------------|
+| bool | 1 | bool/Boolean | bool |
Boolean | bool | bool | bool
|
+| int8 | 2 | byte/Byte | int/pyfury.Int8 |
Type.int8() | int8_t | int8 | i8
|
+| int16 | 3 | short/Short | int/pyfury.Int16 |
Type.int16() | int16_t | int16 | i6
|
+| int32 | 4 | int/Integer | int/pyfury.Int32 |
Type.int32() | int32_t | int32 | i32
|
+| var_int32 | 5 | int/Integer | int/pyfury.VarInt32 |
Type.varint32() | fury::varint32_t | fury.varint32 |
fury::varint32 |
+| int64 | 6 | long/Long | int/pyfury.Int64 |
Type.int64() | int64_t | int64 | i64
|
+| var_int64 | 7 | long/Long | int/pyfury.VarInt64 |
Type.varint64() | fury::varint64_t | fury.varint64 |
fury::varint64 |
+| sli_int64 | 8 | long/Long | int/pyfury.SliInt64 |
Type.sliint64() | fury::sliint64_t | fury.sliint64 |
fury::sliint64 |
+| float16 | 9 | float/Float | float/pyfury.Float16 |
Type.float16() | fury::float16_t | fury.float16 | fury::f16
|
+| float32 | 10 | float/Float | float/pyfury.Float32 |
Type.float32() | float | float32 | f32
|
+| float64 | 11 | double/Double | float/pyfury.Float64 |
Type.float64() | double | float64 | f64
|
+| string | 12 | String | str |
String | string | string |
String/str |
+| enum | 13 | Enum subclasses | enum subclasses | /
| enum | / | enum
|
+| list | 14 | List/Collection | list/tuple |
array | vector | slice | Vec
|
+| set | 15 | Set | set | /
| set | fury.Set | Set
|
+| map | 16 | Map | dict | Map
| unordered_map | map | HashMap
|
+| duration | 17 | Duration | timedelta |
Number | duration | Duration | Duration
|
+| timestamp | 18 | Instant | datetime |
Number | std::chrono::nanoseconds | Time | DateTime
|
+| decimal | 19 | BigDecimal | Decimal |
bigint | / | / | /
|
+| binary | 20 | byte[] | bytes | /
| `int8_t[n]/vector<T>` | `[n]int8/[]T` | `Vec<i8>`
|
+| array | 20 | array | np.ndarray | /
| / | array/slice | Vec
|
Review Comment:
> Thrift also has a binary type. And we don't provide uint8 type for now.
The int8 array can be a different type
Yes I have noticed that we can not distinguish 255 from -1
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