Struct UnitError 

pub struct UnitError {
    pub unit: &'static str,
    pub value: f64,
}

Error returned when constructing a unit type from an invalid f64.

The value was not finite or was negative.

let err = UnitError { unit: "Weight", value: f64::NAN };
assert_eq!(
    format!("{err}"),
    "invalid Weight value: NaN (must be finite and non-negative)"
);

Fields

unit: &'static str

Name of the unit type that failed validation.

value: f64

The rejected value.

Trait Implementations

impl Clone for UnitError

fn clone(&self) -> UnitError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UnitError

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

Formats the value using the given formatter.

impl Display for UnitError

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

Formats the value using the given formatter.

impl Error for UnitError

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 PartialEq for UnitError

fn eq(&self, other: &UnitError) -> 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 StructuralPartialEq for UnitError