Struct PositionalAttr

pub struct PositionalAttr(pub &'static str, pub Option<AttrValue>);

Key-value tuple which makes up an item of the Attributes::Vec variant.

Tuple Fields

0: &'static str

1: Option<AttrValue>

Implementations

impl PositionalAttr

pub fn new(key: &'static str, value: impl IntoOptPropValue<AttrValue>) -> Self

Create a positional attribute

pub fn new_boolean(key: &'static str, present: bool) -> Self

Create a boolean attribute. present controls whether the attribute is added

pub fn new_placeholder(key: &'static str) -> Self

Create a placeholder for removed attributes

Trait Implementations

impl Clone for PositionalAttr

fn clone(&self) -> PositionalAttr

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PositionalAttr

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

Formats the value using the given formatter.

impl PartialEq for PositionalAttr

fn eq(&self, other: &PositionalAttr) -> 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 Eq for PositionalAttr

impl StructuralPartialEq for PositionalAttr