Struct std::str::Utf8Error1.0.0 [] [src]

pub struct Utf8Error { /* fields omitted */ }

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

As such, the from_utf8 family of functions and methods for both Strings and &strs make use of this error, for example.


impl Utf8Error

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

It is the maximum index such that from_utf8(input[..index]) would return Ok(_).


Basic usage:

use std::str;

// some invalid bytes, in a vector
let sparkle_heart = vec![0, 159, 146, 150];

// std::str::from_utf8 returns a Utf8Error
let error = str::from_utf8(&sparkle_heart).unwrap_err();

// the second byte is invalid here
assert_eq!(1, error.valid_up_to());Run

Trait Implementations

impl Copy for Utf8Error

impl Debug for Utf8Error

Formats the value using the given formatter.

impl PartialEq<Utf8Error> for Utf8Error

This method tests for self and other values to be equal, and is used by ==. Read more

This method tests for !=.

impl Clone for Utf8Error

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

impl Eq for Utf8Error

impl Display for Utf8Error

Formats the value using the given formatter.

impl Error for Utf8Error

A short description of the error. Read more

The lower-level cause of this error, if any. Read more