Struct EnabledToken 

pub(crate) struct EnabledToken {
    _hidden: (),
}

Token indicating that memory quota tracking is enabled, at both compile and runtime

If support is compiled in this is a unit.

If the memquota cargo feature is not enabled, this type is uninhabited. Scattering values of this type around in relevant data structures and parameters lists allows the compiler to eliminate the unwanted code.

Fields

_hidden: ()

Implementations

impl EnabledToken

pub const fn new() -> EnabledToken

Obtain an EnabledToken (only available if tracking is compiled in)

pub const fn new_if_compiled_in() -> Option<EnabledToken>

Obtain an EnabledToken if memory-tracking is compiled in, or None otherwise

Trait Implementations

impl Clone for EnabledToken

fn clone(&self) -> EnabledToken

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EnabledToken

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

Formats the value using the given formatter.

impl PartialEq for EnabledToken

fn eq(&self, other: &EnabledToken) -> 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 EnabledToken

impl Eq for EnabledToken

impl StructuralPartialEq for EnabledToken