Struct std::char::TryFromCharError

pub struct TryFromCharError(_);

检查的字符转换失败时返回的错误类型。

Trait Implementations

impl Clone for TryFromCharError

pub fn clone(&self) -> TryFromCharError

返回值的副本。

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

从 source 执行复制分配。

impl Debug for TryFromCharError

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

使用给定的格式化程序格式化该值。

impl Display for TryFromCharError

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

使用给定的格式化程序格式化该值。

impl Error for TryFromCharError

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

此错误的下级来源 (如果有)。

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

🔬 This is a nightly-only experimental API. (backtrace #53487)

返回发生错误的栈回溯 (如果有)。

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

impl PartialEq<TryFromCharError> for TryFromCharError

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

此方法测试 self 和 other 值是否相等，并由 == 使用。

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

此方法测试 !=。

impl Copy for TryFromCharError

impl Eq for TryFromCharError

impl StructuralEq for TryFromCharError

impl StructuralPartialEq for TryFromCharError