Struct prepona::storage::Error

pub struct Error { /* fields omitted */ }

Error type returned by storages in storage module.

Implementations

impl Error

pub fn new(kind: ErrorKind, msg: String) -> Self

Arguments

• kind: Specifies what kind of error is being created.
• msg: Cause of the error.

Returns

Constructed Error.

pub fn new_vnf(vertex_id: usize) -> Self

Creates a VertexNotFound kind of error.

Arguments

vertex_id: Id of the vertex that has not been found.

Returns

Error with VertexNotFound kind and predefined msg.

pub fn new_enf(edge_id: usize) -> Self

Creates an EdgeNotFound kind of error.

Arguments

edge_id: Id of the edge that has not been found.

Returns

Error with EdgeNotFound kind and predefined msg.

pub fn new_iei(src_id: usize, dst_id: usize, edge_id: usize) -> Self

pub fn msg(&self) -> &String

Returns

Cause of the error.

pub fn kind(&self) -> &ErrorKind

Returns

Kind of the error.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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

The lower-level source of this error, if any.

pub fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

pub fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting