Trait FromArg

pub trait FromArg<T>: Sized {
    type Error: StdError;

    // Required method
    async fn from_arg(
        container: &Container,
        arg: T,
    ) -> Result<Self, Self::Error>;
}

Trait for converting an argument from one type to another.

Required Associated Types

type Error: StdError

Required Methods

async fn from_arg(container: &Container, arg: T) -> Result<Self, Self::Error>

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