Trait TryGetableFromJson 

pub trait TryGetableFromJson: Sized
where
    for<'de> Self: Deserialize<'de>,
{
    // Provided methods
    fn try_get_from_json<I: ColIdx>(
        res: &QueryResult,
        idx: I,
    ) -> Result<Self, TryGetError> { ... }
    fn from_json_vec(value: Value) -> Result<Vec<Self>, TryGetError> { ... }
}

Available on crate feature with-json only.

An interface to get a JSON from the query result

Provided Methods

fn try_get_from_json<I: ColIdx>( res: &QueryResult, idx: I, ) -> Result<Self, TryGetError>

Get a JSON from the query result with prefixed column name

fn from_json_vec(value: Value) -> Result<Vec<Self>, TryGetError>

Decode a JSON array into a Vec<Self>.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<K, V> TryGetableFromJson for BTreeMap<K, V>

where K: DeserializeOwned + Ord, V: DeserializeOwned,

impl<K, V> TryGetableFromJson for HashMap<K, V>

where K: DeserializeOwned + Eq + Hash, V: DeserializeOwned,

Implementors