Enum Length 

pub enum Length {
    Px(f32),
    Rpx(f32),
    Ppx(f32),
    Em(f32),
    Rem(f32),
    Vh(f32),
    Vw(f32),
    Zero,
}

A CSS <length> value.

Variants

Px(f32)

Logical pixels (px). Maps to iOS points and Android dp.

Rpx(f32)

Lynx-specific responsive pixel (rpx). 750rpx equals the device’s screen width regardless of pixel density.

Ppx(f32)

Physical pixels (ppx). One device pixel.

Em(f32)

Em (em) — relative to the element’s computed font-size.

Rem(f32)

Root em (rem) — relative to the root element’s computed font-size.

Vh(f32)

Viewport height (vh) — 1% of the viewport’s height.

Vw(f32)

Viewport width (vw) — 1% of the viewport’s width.

Zero

The unitless zero. CSS allows 0 (and only 0) without a unit; this variant covers that case so a non-zero unit-less length is unrepresentable.

Implementations

impl Length

pub fn is_zero(self) -> bool

Returns true when the length is exactly zero, regardless of the unit chosen at construction.

Trait Implementations

impl Clone for Length

fn clone(&self) -> Length

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Length

impl Debug for Length

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

Formats the value using the given formatter.

impl From<Length> for LengthPercentage

fn from(l: Length) -> Self

Converts to this type from the input type.

impl From<Length> for MarginValue

fn from(v: Length) -> Self

Converts to this type from the input type.

impl From<Length> for Size

fn from(l: Length) -> Self

Converts to this type from the input type.

impl From<Length> for FlexBasis

fn from(l: Length) -> Self

Converts to this type from the input type.

impl From<Length> for LineHeight

fn from(l: Length) -> Self

Converts to this type from the input type.

impl PartialEq for Length

fn eq(&self, other: &Length) -> 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 StructuralPartialEq for Length

impl ToCss for Length

fn to_css(&self, dest: &mut dyn Write) -> Result

Write the CSS representation of self into dest.

fn to_css_string(&self) -> String

Convenience: allocate a fresh String and write into it.