Trait Error 

pub trait Error:
    Sized
    + 'static
    + Send
    + Sync
    + Display
    + Debug {
    // Required methods
    fn custom<T>(error: T) -> Self
       where T: 'static + Send + Sync + StdError;
    fn message<T>(message: T) -> Self
       where T: Display;
}

Trait governing errors raised during encodeing or decoding.

Required Methods

fn custom<T>(error: T) -> Self

where T: 'static + Send + Sync + StdError,

Construct a custom error.

fn message<T>(message: T) -> Self

where T: Display,

Collect an error from something that can be displayed.

This is made available to format custom error messages in no_std environments. The error message is to be collected by formatting T.

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.

Implementations on Foreign Types

impl Error for String

Available on crate feature alloc only.

fn custom<T>(message: T) -> Self

where T: Display,

fn message<T>(message: T) -> Self

where T: Display,

impl Error for Error

Available on crate features std and alloc only.

fn custom<T>(message: T) -> Self

where T: 'static + Send + Sync + Display + Debug,

fn message<T>(message: T) -> Self

where T: Display,

Implementors