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
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fn valid_up_to(&self) -> usizeReturns 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());
impl PartialEq<Utf8Error> for Utf8Error
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fn eq(&self, __arg_0: &Utf8Error) -> boolThis method tests for self and other values to be equal, and is used by ==. Read more
fn ne(&self, __arg_0: &Utf8Error) -> boolThis method tests for !=.
impl Clone for Utf8Error
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fn clone(&self) -> Utf8ErrorReturns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)Performs copy-assignment from source. Read more
impl Display for Utf8Error
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fn fmt(&self, f: &mut Formatter) -> Result<(), Error>Formats the value using the given formatter.
impl Eq for Utf8Error
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impl Debug for Utf8Error
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fn fmt(&self, __arg_0: &mut Formatter) -> Result<(), Error>Formats the value using the given formatter.
impl Copy for Utf8Error
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impl Error for Utf8Error
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fn description(&self) -> &strA short description of the error. Read more
fn cause(&self) -> Option<&Error>The lower-level cause of this error, if any. Read more
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/str/struct.Utf8Error.html