Struct SumState 

pub struct SumState {
    pub sum: f64,
    pub has_values: bool,
}

State for the sum analyzer.

Fields

sum: f64

Sum of all non-null values.

has_values: bool

Whether any non-null values were found.

Trait Implementations

impl AnalyzerState for SumState

fn merge(states: Vec<Self>) -> AnalyzerResult<Self>

Merges multiple states into a single state.

fn is_empty(&self) -> bool

Returns whether this state represents an empty computation.

impl Clone for SumState

fn clone(&self) -> SumState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SumState

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SumState

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for SumState

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

where __S: Serializer,

Serialize this value into the given Serde serializer.