Enum manaconf::ValueReadError

pub enum ValueReadError {
    SourceReadError(Box<dyn Error>),
    ValueConversionError(Box<dyn Error>),
    ValueNotPresent,
}

Error returned from an implementation of ValueRead

Variants

SourceReadError(Box<dyn Error>)

Error occurred when reading from a Source

ValueConversionError(Box<dyn Error>)

Error occurred when attempting to convert a Value to a requested type

ValueNotPresent

Value was not present, but was expected to be so

Trait Implementations

impl Debug for ValueReadError

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

Formats the value using the given formatter.

impl Display for ValueReadError

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Error for ValueReadError

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

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

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

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

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

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

if let Err(e) = "xc".parse::<u32>() { // Print e itself, no need for description(). eprintln!("Error: {}", e); }

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting