Struct NexError 

pub struct NexError { /* private fields */ }

A type-erased error that can hold any error type.

Equivalent to anyhow::Error.

Implementations

impl NexError

pub fn msg<M: Display + Send + Sync + 'static>(message: M) -> Self

Creates a new error from a displayable message.

pub fn new(message: impl Into<String>) -> Self

Creates a new error from a string.

pub fn context<C: Display + Send + Sync + 'static>(self, ctx: C) -> Self

Wraps an existing error with additional context.

pub fn source(&self) -> Option<&(dyn Error + Send + Sync + 'static)>

Returns the wrapped error if it was created with context.

pub fn from_err<E, C>(err: E, ctx: C) -> Self

where E: Error + Send + Sync + 'static, C: Display + Send + Sync + 'static,

Creates a new error from any std::error::Error with context.

Trait Implementations

impl Debug for NexError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for NexError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<E> From<E> for NexError

where E: Error + Send + Sync + 'static,

Available on crate feature std only.

fn from(err: E) -> Self

Converts to this type from the input type.

impl From<NexError> for Cow<'static, str>

Available on crate feature std only.

fn from(err: NexError) -> Self

Converts to this type from the input type.

impl From<NexError> for String

fn from(err: NexError) -> Self

Converts to this type from the input type.

impl Serialize for NexError

Available on crate feature serde only.

Allows NexError to be used in json!({"error": e}) contexts via serde’s Display-based serialization. Gated behind serde feature.

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.