Struct Never 

pub struct Never;

A specification that always returns false.

Trait Implementations

impl Clone for Never

fn clone(&self) -> Never

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Never

impl Debug for Never

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

Formats the value using the given formatter.

impl Default for Never

fn default() -> Never

Returns the “default value” for a type.

impl Eq for Never

impl PartialEq for Never

fn eq(&self, other: &Never) -> bool

Equality operator ==.

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

Inequality operator !=.

impl<T: ?Sized> Specification<T> for Never

fn is_satisfied_by(&self, _: &T) -> bool

Returns whether candidate satisfies this rule.

fn and<Other>(self, other: Other) -> And<Self, Other>

where Self: Sized, Other: Specification<T>,

Combines this rule with other using short-circuiting logical AND.

fn or<Other>(self, other: Other) -> Or<Self, Other>

where Self: Sized, Other: Specification<T>,

Combines this rule with other using short-circuiting logical OR.

fn not(self) -> Not<Self>

where Self: Sized,

Creates a rule that negates this rule’s result.

impl StructuralPartialEq for Never