Struct incr::Incr

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

A self-contained struct for quickly checking whether a newly observed value is greater than any previously observed value.

Examples

use incr::Incr;
let mut last = Incr::default();
assert_eq!(last.is_new(1), true);
assert_eq!(last.is_new(1), false);
assert_eq!(last.is_new(2), true);
assert_eq!(last.get(), 2);

Implementations

impl Incr

pub fn is_new(&mut self, val: u64) -> bool

Returns true if val is greater than the highest previously observed value. If val is a new maximum, it is stored in self for checks against future values subsequent calls Self::get(&self) will return val until a new max is observed.

pub fn get(&self) -> u64

Returns the current value of self, which is the maximum observed value.

Trait Implementations

impl Clone for Incr

fn clone(&self) -> Incr

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Incr

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

Formats the value using the given formatter.

impl Default for Incr

fn default() -> Incr

Returns the “default value” for a type.

impl From<u64> for Incr

fn from(val: u64) -> Self

Converts to this type from the input type.

impl PartialEq<Incr> for Incr

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd<Incr> for Incr

fn partial_cmp(&self, other: &Incr) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Eq for Incr

impl StructuralEq for Incr

impl StructuralPartialEq for Incr