Enum AllOrSome 

pub enum AllOrSome<T> {
    All,
    Some(T),
}

An enum signifying that some of type T is allowed, or All (anything is allowed).

Variants

All

Everything is allowed. Usually equivalent to the * value.

Some(T)

Only some of T is allowed

Implementations

impl<T> AllOrSome<T>

pub fn is_all(&self) -> bool

Returns whether this is an All variant.

pub fn is_some(&self) -> bool

Returns whether this is a Some variant.

pub fn as_ref(&self) -> Option<&T>

Provides a shared reference to T if variant is Some.

pub fn as_mut(&mut self) -> Option<&mut T>

Provides a mutable reference to T if variant is Some.

Trait Implementations

impl<T: Clone> Clone for AllOrSome<T>

fn clone(&self) -> AllOrSome<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for AllOrSome<T>

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

Formats the value using the given formatter.

impl<T> Default for AllOrSome<T>

Default as AllOrSome::All.

fn default() -> Self

Returns the “default value” for a type.

impl<T: Eq> Eq for AllOrSome<T>

impl<T: PartialEq> PartialEq for AllOrSome<T>

fn eq(&self, other: &AllOrSome<T>) -> 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<T> StructuralPartialEq for AllOrSome<T>