pub trait TreeDeserialize<'de> {
// Required method
fn deserialize_by_key<K, D>(
&mut self,
keys: K,
de: D,
) -> Result<usize, Error<D::Error>>
where K: Keys,
D: Deserializer<'de>;
}Expand description
Deserialize a leaf node by its keys.
See also crate::json or crate::postcard for convenient wrappers using this trait.
§Derive macro
See crate::TreeDeserialize.
The derive macro attributes are described in the TreeKey trait.
Required Methods§
Sourcefn deserialize_by_key<K, D>(
&mut self,
keys: K,
de: D,
) -> Result<usize, Error<D::Error>>where
K: Keys,
D: Deserializer<'de>,
fn deserialize_by_key<K, D>(
&mut self,
keys: K,
de: D,
) -> Result<usize, Error<D::Error>>where
K: Keys,
D: Deserializer<'de>,
Deserialize a leaf node by its keys.
use miniconf::{IntoKeys, Leaf, TreeDeserialize, TreeKey};
#[derive(Default, TreeKey, TreeDeserialize)]
struct S {
foo: Leaf<u32>,
bar: [Leaf<u16>; 2],
};
let mut s = S::default();
let mut de = serde_json::de::Deserializer::from_slice(b"7");
s.deserialize_by_key(["bar", "0"].into_keys(), &mut de)
.unwrap();
de.end().unwrap();
assert_eq!(*s.bar[0], 7);§Args
keys: AKeysidentifying the node.de: ADeserializerto deserialize the value.
§Returns
Node depth on success
Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.