Struct Utf8Error 

pub struct Utf8Error { /* private fields */ }

Errors which can occur when attempting to interpret a sequence of u8 as a string.

This structure exactly duplicates std::str::Utf8Error to work around the fact that its constructors are private.

Implementations

impl Utf8Error

pub const fn valid_up_to(&self) -> usize

Returns the index in the given string up to which valid UTF-8 was verified.

pub const fn error_len(&self) -> Option<usize>

Provides more information about the failure:

• None: the end of the input was reached unexpectedly. self.valid_up_to() is 1 to 3 bytes from the end of the input. If a byte stream (such as a file or a network socket) is being decoded incrementally, this could be a valid char whose UTF-8 byte sequence is spanning multiple chunks.

• Some(len): an unexpected byte was encountered. The length provided is that of the invalid byte sequence that starts at the index given by valid_up_to().

Trait Implementations

impl Clone for Utf8Error

fn clone(&self) -> Utf8Error

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Utf8Error

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

Formats the value using the given formatter.

impl Display for Utf8Error

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

Formats the value using the given formatter.

impl Error for Utf8Error

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

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()

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

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl From<Utf8Error> for Utf8Error

fn from(e: Utf8Error) -> Self

Converts to this type from the input type.

impl PartialEq for Utf8Error

fn eq(&self, other: &Utf8Error) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for Utf8Error

impl Eq for Utf8Error

impl StructuralPartialEq for Utf8Error