Enum Logical 

pub enum Logical {
    False,
    Unknown,
    True,
}

LOGICAL type

use step_p21::primitive::Logical;

// Default
assert_eq!(Logical::default(), Logical::Unknown);

// From<bool>
assert_eq!(Logical::True, true.into());
assert_eq!(Logical::False, false.into());

// From<Option<bool>>
assert_eq!(Logical::True, Some(true).into());
assert_eq!(Logical::False, Some(false).into());
assert_eq!(Logical::Unknown, None.into());

// Not
assert_eq!(Logical::True, !Logical::False);
assert_eq!(Logical::False, !Logical::True);
assert_eq!(Logical::Unknown, !Logical::Unknown);

// BitAnd
assert_eq!(Logical::True & Logical::True, Logical::True);
assert_eq!(Logical::True & Logical::Unknown, Logical::Unknown);
assert_eq!(Logical::True & Logical::False, Logical::False);
assert_eq!(Logical::False & Logical::True, Logical::False);
assert_eq!(Logical::False & Logical::Unknown, Logical::False);
assert_eq!(Logical::False & Logical::False, Logical::False);
assert_eq!(Logical::Unknown & Logical::True, Logical::Unknown);
assert_eq!(Logical::Unknown & Logical::Unknown, Logical::Unknown);
assert_eq!(Logical::Unknown & Logical::False, Logical::False);

// BitOr
assert_eq!(Logical::True | Logical::True, Logical::True);
assert_eq!(Logical::True | Logical::Unknown, Logical::True);
assert_eq!(Logical::True | Logical::False, Logical::True);
assert_eq!(Logical::False | Logical::True, Logical::True);
assert_eq!(Logical::False | Logical::Unknown, Logical::Unknown);
assert_eq!(Logical::False | Logical::False, Logical::False);
assert_eq!(Logical::Unknown | Logical::True, Logical::True);
assert_eq!(Logical::Unknown | Logical::Unknown, Logical::Unknown);
assert_eq!(Logical::Unknown | Logical::False, Logical::Unknown);

// BitXor
assert_eq!(Logical::True ^ Logical::True, Logical::False);
assert_eq!(Logical::True ^ Logical::Unknown, Logical::Unknown);
assert_eq!(Logical::True ^ Logical::False, Logical::True);
assert_eq!(Logical::False ^ Logical::True, Logical::True);
assert_eq!(Logical::False ^ Logical::Unknown, Logical::Unknown);
assert_eq!(Logical::False ^ Logical::False, Logical::False);
assert_eq!(Logical::Unknown ^ Logical::True, Logical::Unknown);
assert_eq!(Logical::Unknown ^ Logical::Unknown, Logical::Unknown);
assert_eq!(Logical::Unknown ^ Logical::False, Logical::Unknown);

Variants

False

Unknown

Three-valued logic’s third value, and the default: an unset LOGICAL carries no information, which is not the same as being false.

True

Trait Implementations

impl BitAnd for Logical

type Output = Logical

The resulting type after applying the & operator.

fn bitand(self, other: Self) -> Self

Performs the & operation.

impl BitOr for Logical

type Output = Logical

The resulting type after applying the | operator.

fn bitor(self, other: Self) -> Self

Performs the | operation.

impl BitXor for Logical

type Output = Logical

The resulting type after applying the ^ operator.

fn bitxor(self, other: Self) -> Logical

Performs the ^ operation.

impl Clone for Logical

fn clone(&self) -> Logical

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Logical

impl Debug for Logical

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

Formats the value using the given formatter.

impl Default for Logical

fn default() -> Logical

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Logical

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Logical

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

Formats the value using the given formatter.

impl Eq for Logical

impl From<Logical> for Option<bool>

fn from(l: Logical) -> Option<bool>

Converts to this type from the input type.

impl From<Option<bool>> for Logical

fn from(option: Option<bool>) -> Logical

Converts to this type from the input type.

impl From<bool> for Logical

fn from(b: bool) -> Logical

Converts to this type from the input type.

impl Hash for Logical

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 Logical

type Output = Logical

The resulting type after applying the ! operator.

fn not(self) -> Logical

Performs the unary ! operation.

impl Ord for Logical

fn cmp(&self, other: &Logical) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for Logical

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Logical

fn partial_cmp(&self, other: &Logical) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for Logical

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Logical