Struct Cookie 

pub struct Cookie(/* private fields */);

An opaque pointer for use in e.g. parameter definitions and parameter-related events.

Implementations

impl Cookie

pub const fn empty() -> Cookie

Creates a default “empty” cookie, i.e. a Cookie with a null pointer.

pub const fn from_raw(ptr: *mut c_void) -> Cookie

Creates a Cookie from the given pointer.

pub const fn as_raw(&self) -> *mut c_void

Returns the pointer value contains in this Cookie.

Trait Implementations

impl Clone for Cookie

fn clone(&self) -> Cookie

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Cookie

impl Debug for Cookie

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

Formats the value using the given formatter.

impl Default for Cookie

Creates a default “empty” cookie, i.e. a Cookie with a null pointer.

This is the same as using Cookie::empty.

fn default() -> Cookie

Returns the “default value” for a type.

impl Eq for Cookie

impl Hash for Cookie

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Cookie

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

Equality operator ==.

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

Inequality operator !=.

impl Send for Cookie

impl StructuralPartialEq for Cookie

impl Sync for Cookie