Trait MultipartCollect

pub trait MultipartCollect: Sized {
    // Required methods
    fn limit(field_name: &str) -> Option<usize>;
    fn handle_field<'t>(
        req: &'t HttpRequest,
        field: Field,
        limits: &'t mut Limits,
        state: &'t mut State,
    ) -> LocalBoxFuture<'t, Result<(), MultipartError>>;
    fn from_state(state: State) -> Result<Self, MultipartError>;
}

Trait that allows a type to be used in the MultipartForm extractor.

You should use the MultipartForm macro to derive this for your struct.

Required Methods

fn limit(field_name: &str) -> Option<usize>

An optional limit in bytes to be applied a given field name. Note this limit will be shared across all fields sharing the same name.

fn handle_field<'t>( req: &'t HttpRequest, field: Field, limits: &'t mut Limits, state: &'t mut State, ) -> LocalBoxFuture<'t, Result<(), MultipartError>>

The extractor will call this function for each incoming field, the state can be updated with the processed field data.

fn from_state(state: State) -> Result<Self, MultipartError>

Once all the fields have been processed and stored in the state, this is called to convert into the struct representation.

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.

Implementors