Struct ErrorHistogram 

pub struct ErrorHistogram {
    pub buckets: HashMap<String, u64>,
    pub total: u64,
}

Bucketed error counts grouped by error category.

Fields

buckets: HashMap<String, u64>

Map from error category string to count.

total: u64

Total errors across all categories.

Implementations

impl ErrorHistogram

pub fn new() -> Self

Create an empty histogram.

pub fn record(&mut self, category: impl Into<String>)

Increment the counter for category.

pub fn top_category(&self) -> Option<(&str, u64)>

Return the most common error category, if any.

pub fn sorted_entries(&self) -> Vec<(&str, u64)>

Return sorted entries from most to least frequent.

Trait Implementations

impl Clone for ErrorHistogram

fn clone(&self) -> ErrorHistogram

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ErrorHistogram

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

Formats the value using the given formatter.

impl Default for ErrorHistogram

fn default() -> ErrorHistogram

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ErrorHistogram

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ErrorHistogram

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.