Enum RetainError 

pub enum RetainError<E> {
    Resource(MemoryError),
    Predicate(E),
}

A refused in-place filter, preserving the predicate’s own cause.

Variants

Resource(MemoryError)

The map could not admit its traversal or erase metadata.

Predicate(E)

The caller’s predicate refused further processing.

Trait Implementations

impl<E: Debug> Debug for RetainError<E>

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

Formats the value using the given formatter.

impl<E: Eq> Eq for RetainError<E>

impl From<RetainError<MemoryError>> for MemoryError

fn from(error: RetainError<MemoryError>) -> Self

Converts to this type from the input type.

impl<E: PartialEq> PartialEq for RetainError<E>

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

Equality operator ==.

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

Inequality operator !=.

impl<E: PartialEq> StructuralPartialEq for RetainError<E>