Enum WeakRestriction 

pub enum WeakRestriction {
    None,
    LifetimeOrLoop,
    Dyn,
}

Restricted contexts where a weak keyword cannot be used.

Variants

None

The keyword can be used anywhere that permits an identifier.

LifetimeOrLoop

The keyword cannot be used as lifetime or loop label.

Dyn

The keyword is dyn. In 2015 edition, dyn cannot be used in type position followed by a path that does not start with ::.

Trait Implementations

impl Clone for WeakRestriction

fn clone(&self) -> WeakRestriction

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WeakRestriction

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

Formats the value using the given formatter.

impl PartialEq for WeakRestriction

fn eq(&self, other: &WeakRestriction) -> 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 Copy for WeakRestriction

impl Eq for WeakRestriction

impl StructuralPartialEq for WeakRestriction