Enum Tail 

pub enum Tail {
    Greater,
    Less,
    Both,
}

Which differences count as evidence.

Variants

Greater

The tested effect is positive.

Less

The tested effect is negative.

Both

Either sign.

Trait Implementations

impl Clone for Tail

fn clone(&self) -> Tail

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Tail

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

Formats the value using the given formatter.

impl PartialEq for Tail

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl Copy for Tail

impl Eq for Tail

impl StructuralPartialEq for Tail