Trait awmpde::FromField

pub trait FromField {
    type Error: Into<Error>;
    type Future: 'static + Future;
    fn from_field(field: Field) -> Self::Future;
}

Associated Types

type Error: Into<Error>

The associated error which can be returned.

type Future: 'static + Future

Future that resolves to a Self

Required methods

fn from_field(field: Field) -> Self::Future

Implementations on Foreign Types

impl FromField for Vec<u8, Global>

type Error = Infallible

type Future = Pin<Box<dyn Future<Output = Result<Vec<u8, Global>, <Vec<u8, Global> as FromField>::Error>> + 'static, Global>>

pub fn from_field(field: Field) -> <Vec<u8, Global> as FromField>::Future

impl FromField for String

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<String, <String as FromField>::Error>> + 'static, Global>>

pub fn from_field(field: Field) -> <String as FromField>::Future

impl<T> FromField for Box<T, Global> where
    T: 'static + FromField, 

type Error = <T as FromField>::Error

type Future = Map<<T as FromField>::Future, fn(Result<T, <T as FromField>::Error>) -> Result<Box<T, Global>, <T as FromField>::Error>>

pub fn from_field(field: Field) -> <Box<T, Global> as FromField>::Future

Implementors

impl FromField for BgrImage

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<BgrImage, <BgrImage as FromField>::Error>> + 'static, Global>>

impl FromField for BgraImage

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<BgraImage, <BgraImage as FromField>::Error>> + 'static, Global>>

impl FromField for DynamicImage

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<DynamicImage, <DynamicImage as FromField>::Error>> + 'static, Global>>

impl FromField for GrayAlphaImage

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<GrayAlphaImage, <GrayAlphaImage as FromField>::Error>> + 'static, Global>>

impl FromField for GrayImage

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<GrayImage, <GrayImage as FromField>::Error>> + 'static, Global>>

impl FromField for RgbImage

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<RgbImage, <RgbImage as FromField>::Error>> + 'static, Global>>

impl FromField for RgbaImage

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<RgbaImage, <RgbaImage as FromField>::Error>> + 'static, Global>>

impl<T> FromField for File<T> where
    T: 'static + FromField,
    <T as FromField>::Error: Debug, 

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<File<T>, <File<T> as FromField>::Error>> + 'static, Global>>

impl<T> FromField for Json<T> where
    T: 'static + DeserializeOwned, 

type Error = Error

type Future = Pin<Box<dyn Future<Output = Result<Json<T>, <Json<T> as FromField>::Error>> + 'static, Global>>