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xso-proc: add support for extracting attributes into collections

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This commit is contained in:
Emmanuel Gil Peyrot 2024-08-03 19:21:03 +02:00
commit aa518fd6c1
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5
xso/src/from_xml_doc.md
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@ -166,6 +166,7 @@ The following keys can be used inside the `#[xml(attribute(..))]` meta:
| `namespace` | *string literal* or *path* | The optional namespace of the XML attribute to match. If it is a *path*, it must point at a `&'static str`. Note that attributes, unlike elements, are unnamespaced by default. |
| `name` | *string literal* or *path* | The name of the XML attribute to match. If it is a *path*, it must point at a `&'static NcNameStr`. |
| `default` | flag | If present, an absent attribute will substitute the default value instead of raising an error. |
| `type_` | *type* | Optional explicit type specification. Only allowed within `#[xml(extract(fields(..)))]`. |
If the `name` key contains a namespace prefix, it must be one of the prefixes
defined as built-in in the XML specifications. That prefix will then be
@ -183,6 +184,10 @@ is generated using [`std::default::Default`], requiring the field type to
implement the `Default` trait for a `FromXml` derivation. `default` has no
influence on `AsXml`.
If `type_` is specified and the `text` meta is used within an
`#[xml(extract(fields(..)))]` meta, the specified type is used instead of the
field type on which the `extract` is declared.
##### Example
```rust