Enum Mass 

pub enum Mass {
    Count,
    Sum(Name),
    Mean(Name),
    Low(Name),
    High(Name),
}

Aggregate over matching rows.

Variants

Count

Row count.

Sum(Name)

Sum of a column.

Mean(Name)

Average of a column.

Low(Name)

Minimum of a column.

High(Name)

Maximum of a column.

Trait Implementations

impl Clone for Mass

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Mass

impl Debug for Mass

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

Formats the value using the given formatter.

impl Eq for Mass

impl PartialEq for Mass

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Mass