Enum prometheus_parser::ReturnKind

pub enum ReturnKind {
    Unknown(Box<UnknownCause>),
    Scalar,
    String,
    InstantVector,
    RangeVector,
}

A predicted return datatype

Variants

Unknown(Box<UnknownCause>)

Tuple Fields

0: Box<UnknownCause>

Scalar

String

InstantVector

RangeVector

Implementations

impl ReturnKind

pub fn unknown<S>(message: S, expression: Expression) -> Self where
    S: Into<String>, 

pub fn is_operator_valid(&self) -> bool

Returns true if this ReturnKind is a valid sub-expression of an operator, false if not.

pub fn is_scalar(&self) -> bool

Trait Implementations

impl Clone for ReturnKind

fn clone(&self) -> ReturnKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ReturnKind

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

Formats the value using the given formatter.

impl PartialEq<ReturnKind> for ReturnKind

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl StructuralPartialEq for ReturnKind