Enum Class 

#[repr(i32)]
pub enum Class {
    Unspecified = 0,
    Type = 1,
    Expression = 2,
    Relation = 3,
}

Variants

Unspecified = 0

Type = 1

This node represents a data type.

Expression = 2

This node represents an expression.

Relation = 3

This node represents a relation.

Implementations

impl Class

pub fn is_valid(value: i32) -> bool

Returns true if value is a variant of Class.

pub fn from_i32(value: i32) -> Option<Class>

👎Deprecated: Use the TryFrom<i32> implementation instead

Converts an i32 to a Class, or None if value is not a valid variant.

impl Class

pub fn as_str_name(&self) -> &'static str

String value of the enum field names used in the ProtoBuf definition.

The values are not transformed in any way and thus are considered stable (if the ProtoBuf definition does not change) and safe for programmatic use.

pub fn from_str_name(value: &str) -> Option<Self>

Creates an enum from field names used in the ProtoBuf definition.

Trait Implementations

impl Clone for Class

fn clone(&self) -> Class

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Class

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

Formats the value using the given formatter.

impl Default for Class

fn default() -> Class

Returns the “default value” for a type.

impl From<Class> for i32

fn from(value: Class) -> i32

Converts to this type from the input type.

impl Hash for Class

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 Ord for Class

fn cmp(&self, other: &Class) -> 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 Class

fn eq(&self, other: &Class) -> 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 PartialOrd for Class

fn partial_cmp(&self, other: &Class) -> 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 ProtoEnum for Class

fn proto_enum_type() -> &'static str

Returns the protobuf type name for enums of this type.

fn proto_enum_default_variant() -> &'static str

Returns the name of the default variant of an enum.

fn proto_enum_variant(&self) -> &'static str

Returns the name of the selected variant of an enum.

fn proto_enum_from_i32(x: i32) -> Option<Self>

Returns the enumeration entry corresponding to the given integer value, if any.

impl TryFrom<i32> for Class

type Error = UnknownEnumValue

The type returned in the event of a conversion error.

fn try_from(value: i32) -> Result<Class, UnknownEnumValue>

Performs the conversion.

impl Copy for Class

impl Eq for Class

impl StructuralPartialEq for Class