Enum TruthValue 

pub enum TruthValue {
    True,
    False,
    Unknown,
}

One SQL boolean result, including the UNKNOWN value produced by NULL.

Variants

True

False

Unknown

Implementations

impl TruthValue

pub const fn and(self, other: Self) -> Self

pub const fn or(self, other: Self) -> Self

Trait Implementations

impl Clone for TruthValue

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 TruthValue

impl Debug for TruthValue

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

Formats the value using the given formatter.

impl Eq for TruthValue

impl Hash for TruthValue

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Not for TruthValue

type Output = TruthValue

The resulting type after applying the ! operator.

fn not(self) -> Self::Output

Performs the unary ! operation using logical or bitwise negation.

impl PartialEq for TruthValue

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for TruthValue