Enum secp256k1_zkp::rand::distributions::WeightedError

pub enum WeightedError {
    NoItem,
    NegativeWeight,
    AllWeightsZero,
}

Error type returned from WeightedIndex::new.

Variants

NoItem

The provided iterator contained no items.

NegativeWeight

A weight lower than zero was used.

AllWeightsZero

All items in the provided iterator had a weight of zero.

Trait Implementations

impl Clone for WeightedError

pub fn clone(&self) -> WeightedError

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for WeightedError

impl Debug for WeightedError

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

Formats the value using the given formatter.

impl Display for WeightedError

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

Formats the value using the given formatter.

impl Eq for WeightedError

impl Error for WeightedError

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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

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

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

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

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

impl PartialEq<WeightedError> for WeightedError

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

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

#[must_use]

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

This method tests for !=.

impl StructuralEq for WeightedError

impl StructuralPartialEq for WeightedError