Struct Extensions 

pub struct Extensions { /* private fields */ }

Implementations

impl Extensions

pub fn new() -> Extensions

pub fn insert<T>(&mut self, value: T) -> Option<T>

where T: 'static,

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

where T: 'static,

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

where T: 'static,

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

where T: 'static,

pub fn contains<T>(&self) -> bool

where T: 'static,

pub fn is_empty(&self) -> bool

pub fn len(&self) -> usize

pub fn clear(&mut self)

Trait Implementations

impl Default for Extensions

fn default() -> Extensions

Returns the “default value” for a type.