Trait Projection

Source

pub trait Projection {
    type Output;

    // Required methods
    fn selection_query(&self) -> SelectionQuery;
    fn decode_one(&self, value: JsonValue) -> Result<Self::Output, CoolError>;

    // Provided methods
    fn decode_many(
        &self,
        value: JsonValue,
    ) -> Result<Vec<Self::Output>, CoolError> { ... }
    fn decode_page(
        &self,
        value: JsonValue,
    ) -> Result<Page<Self::Output>, CoolError> { ... }
}