Enum TagSource

pub enum TagSource<'a> {
    Literal(&'a str),
    Field(&'a str),
    Unknown,
}

Specifies how to obtain the value of a tag in TagSpec.

Variants

Literal(&'a str)

A literal value.

Field(&'a str)

Path to a field to evaluate.

Unknown

An unsupported or unknown source.

Trait Implementations

impl<'a> Clone for TagSource<'a>

fn clone(&self) -> TagSource<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for TagSource<'a>

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

Formats the value using the given formatter.

impl<'a> PartialEq for TagSource<'a>

fn eq(&self, other: &TagSource<'a>) -> 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<'a> StructuralPartialEq for TagSource<'a>