Struct InternalCounter 

pub struct InternalCounter {}

An internal counter for debugging purposes

Internally represented as an atomic isize if the counters feature is enabled, or compiles to nothing otherwise.

Implementations

impl InternalCounter

pub const fn new() -> Self

Creates a counter with value 0.

pub fn read(&self) -> isize

Available on non-crate feature counters only.

Get the counter’s value.

Always returns 0 if the counters feature is not enabled.

pub fn take(&self) -> isize

Available on non-crate feature counters only.

Get and reset the counter’s value.

Always returns 0 if the counters feature is not enabled.

pub fn add(&self, _val: isize)

Increment the counter by the provided amount.

pub fn sub(&self, _val: isize)

Decrement the counter by the provided amount.

pub fn set(&self, _val: isize)

Sets the counter to the provided value.

Trait Implementations

impl Clone for InternalCounter

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for InternalCounter

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

Formats the value using the given formatter.

impl Default for InternalCounter

fn default() -> Self

Returns the “default value” for a type.