Trait style::parser::Parse

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pub trait Parse: Sized {
    // Required method
    fn parse<'i, 't>(
        context: &ParserContext<'_>,
        input: &mut Parser<'i, 't>
    ) -> Result<Self, ParseError<'i>>;
}
Expand description

A trait to abstract parsing of a specified value given a ParserContext and CSS input.

This can be derived on keywords with #[derive(Parse)].

The derive code understands the following attributes on each of the variants:

  • #[parse(aliases = "foo,bar")] can be used to alias a value with another at parse-time.

  • #[parse(condition = "function")] can be used to make the parsing of the value conditional on function, which needs to fulfill fn(&ParserContext) -> bool.

Required Methods§

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fn parse<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Result<Self, ParseError<'i>>

Parse a value of this type.

Returns an error on failure.

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impl Parse for UnicodeRange

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fn parse<'i, 't>( _: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Result<Self, ParseError<'i>>

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impl<T> Parse for Box<T>where T: Parse,

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fn parse<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Result<Self, ParseError<'i>>

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impl<T> Parse for Vec<T>where T: Parse + OneOrMoreSeparated, <T as OneOrMoreSeparated>::S: Separator,

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fn parse<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Result<Self, ParseError<'i>>

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impl Parse for ColorSpace

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impl Parse for HueInterpolationMethod

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impl Parse for SpeakAs

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impl Parse for Symbol

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impl Parse for System

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impl Parse for FontDisplay

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impl Parse for FontFaceSourceFormatKeyword

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impl Parse for style::font_face::FontStyle

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impl Parse for Source

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impl Parse for Qualifier

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impl Parse for style::properties::generated::longhands::_servo_overflow_clip_box::computed_value::T

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impl Parse for style::properties::generated::longhands::_servo_top_layer::computed_value::T

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impl Parse for style::properties::generated::longhands::align_content::computed_value::T

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impl Parse for style::properties::generated::longhands::align_items::computed_value::T

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impl Parse for style::properties::generated::longhands::align_self::computed_value::T

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impl Parse for style::properties::generated::longhands::animation_composition::single_value::computed_value::T

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impl Parse for style::properties::generated::longhands::animation_direction::single_value::computed_value::T

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impl Parse for style::properties::generated::longhands::animation_fill_mode::single_value::computed_value::T

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impl Parse for style::properties::generated::longhands::animation_play_state::single_value::computed_value::T

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impl Parse for style::properties::generated::longhands::backface_visibility::computed_value::T

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impl Parse for style::properties::generated::longhands::background_attachment::single_value::computed_value::T

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impl Parse for style::properties::generated::longhands::background_clip::single_value::computed_value::T

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impl Parse for style::properties::generated::longhands::background_origin::single_value::computed_value::T

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impl Parse for style::properties::generated::longhands::border_collapse::computed_value::T

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impl Parse for style::properties::generated::longhands::box_sizing::computed_value::T

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impl Parse for style::properties::generated::longhands::column_span::computed_value::T

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impl Parse for style::properties::generated::longhands::direction::computed_value::T

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impl Parse for style::properties::generated::longhands::empty_cells::computed_value::T

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impl Parse for style::properties::generated::longhands::flex_direction::computed_value::T

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impl Parse for style::properties::generated::longhands::flex_wrap::computed_value::T

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impl Parse for style::properties::generated::longhands::font_variant_caps::computed_value::T

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impl Parse for style::properties::generated::longhands::justify_content::computed_value::T

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impl Parse for style::properties::generated::longhands::list_style_position::computed_value::T

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impl Parse for style::properties::generated::longhands::list_style_type::computed_value::T

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impl Parse for style::properties::generated::longhands::mix_blend_mode::computed_value::T

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impl Parse for style::properties::generated::longhands::pointer_events::computed_value::T

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impl Parse for style::properties::generated::longhands::position::computed_value::T

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impl Parse for style::properties::generated::longhands::table_layout::computed_value::T

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impl Parse for style::properties::generated::longhands::text_decoration_style::computed_value::T

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impl Parse for style::properties::generated::longhands::text_rendering::computed_value::T

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impl Parse for style::properties::generated::longhands::unicode_bidi::computed_value::T

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impl Parse for style::properties::generated::longhands::visibility::computed_value::T

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impl Parse for style::properties::generated::longhands::white_space::computed_value::T

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impl Parse for style::properties::generated::longhands::writing_mode::computed_value::T

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impl Parse for Inherits

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impl Parse for Operator

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impl Parse for Orientation

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impl Parse for Scan

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impl Parse for MediaDocumentKind

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impl Parse for FontPaletteBase

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impl Parse for style::values::computed::box_::Clear

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impl Parse for style::values::computed::box_::Float

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impl Parse for style::values::computed::box_::Resize

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impl Parse for GenericFontFamily

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impl Parse for SingleFontFamily

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impl Parse for Impossible

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impl Parse for FillRule

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impl Parse for ShapeBox

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impl Parse for ShapeGeometryBox

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impl Parse for VerticalAlignKeyword

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impl Parse for StepPosition

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impl Parse for TimingKeyword

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impl Parse for CounterStyle

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impl Parse for SymbolsType

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impl Parse for GridTemplateComponent<LengthPercentage, Integer>

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impl Parse for TrackBreadth<LengthPercentage>

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impl Parse for TrackSize<LengthPercentage>

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impl Parse for RepeatCount<Integer>

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impl Parse for ShapeExtent

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impl Parse for RaySize

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impl Parse for PageOrientation

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impl Parse for PageSizeOrientation

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impl Parse for PaperSize

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impl Parse for TransformStyle

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impl Parse for AnimationIterationCount

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impl Parse for ScrollAxis

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impl Parse for Scroller

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impl Parse for TransitionProperty

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impl Parse for BackgroundRepeatKeyword

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impl Parse for BorderImageRepeatKeyword

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impl Parse for BorderStyle

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impl Parse for LineWidth

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impl Parse for Appearance

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impl Parse for BaselineSource

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impl Parse for BreakBetween

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impl Parse for BreakWithin

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impl Parse for style::values::specified::box_::Clear

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impl Parse for ContainerType

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impl Parse for ContentVisibility

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impl Parse for style::values::specified::box_::Float

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impl Parse for Overflow

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impl Parse for OverflowAnchor

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impl Parse for OverflowClipBox

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impl Parse for OverscrollBehavior

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impl Parse for style::values::specified::box_::Resize

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impl Parse for ScrollSnapAlignKeyword

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impl Parse for ScrollSnapAxis

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impl Parse for ScrollSnapStop

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impl Parse for ScrollSnapStrictness

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impl Parse for MathFunction

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impl Parse for Color

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impl Parse for ForcedColorAdjust

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impl Parse for PrintColorAdjust

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impl Parse for AngleOrPercentage

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impl Parse for NumberOrPercentage

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impl Parse for AbsoluteFontWeight

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impl Parse for FontFamily

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impl Parse for FontSize

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impl Parse for FontSizeKeyword

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impl Parse for FontStretch

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impl Parse for FontStretchKeyword

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impl Parse for style::values::specified::font::FontStyle

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impl Parse for FontSynthesis

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impl Parse for FontWeight

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impl Parse for MathDepth

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impl Parse for MetricsOverride

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impl Parse for XTextScale

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impl Parse for ImageRendering

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impl Parse for Length

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impl Parse for LengthPercentage

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impl Parse for Quotes

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impl Parse for CoordBox

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impl Parse for OffsetRotateDirection

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impl Parse for OutlineStyle

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impl Parse for PageName

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impl Parse for GridTemplateAreas

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impl Parse for HorizontalPositionKeyword

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impl Parse for VerticalPositionKeyword

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impl Parse for SourceSizeOrLength

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impl Parse for DProperty

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impl Parse for CaptionSide

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impl Parse for HyphenateCharacter

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impl Parse for LineBreak

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impl Parse for MozControlCharacterVisibility

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impl Parse for OverflowWrap

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impl Parse for RubyPosition

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impl Parse for TextAlign

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impl Parse for TextAlignKeyword

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impl Parse for TextAlignLast

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impl Parse for TextDecorationSkipInk

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impl Parse for TextEmphasisFillMode

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impl Parse for TextEmphasisShapeKeyword

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impl Parse for TextEmphasisStyle

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impl Parse for TextJustify

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impl Parse for TextOverflowSide

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impl Parse for WordBreak

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impl Parse for CursorKind

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impl Parse for UserSelect

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impl Parse for ColorInterpolationMethod

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impl Parse for AdditiveSymbols

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impl Parse for AdditiveTuple

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impl Parse for CounterRanges

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impl Parse for Fallback

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impl Parse for Negative

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impl Parse for Pad

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impl Parse for Symbols

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impl Parse for FontFaceSourceTechFlags

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impl Parse for FontStretchRange

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impl Parse for FontWeightRange

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impl Parse for SourceList

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impl Parse for ParsedDescriptor

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impl Parse for CssUrl

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impl Parse for OwnedStr

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impl Parse for PairValues

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impl Parse for SingleValue

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impl Parse for VectorValues

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impl Parse for FontPaletteOverrideColor

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impl Parse for LayerName

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impl Parse for PageSelector

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impl Parse for PageSelectors

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impl Parse for FamilyName

FamilyName::parse is based on SingleFontFamily::parse and not the other way around because we want the former to exclude generic family keywords.

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impl Parse for FontLanguageOverride

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impl Parse for FeatureTagValue<Integer>

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impl Parse for FontTag

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impl Parse for VariationValue<Number>

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impl Parse for GridLine<Integer>

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impl Parse for ImplicitGridTracks<TrackSize<LengthPercentage>>

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impl Parse for TrackList<LengthPercentage, Integer>

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impl Parse for LineNameList

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impl Parse for PaintWorklet

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impl Parse for GenericPosition<Component<X>, Component<Y>>

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impl Parse for Angle

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impl Parse for AnimationName

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impl Parse for BackgroundRepeat

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impl Parse for BorderImageRepeat

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impl Parse for BorderSideWidth

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impl Parse for Contain

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impl Parse for ContainerName

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impl Parse for Display

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impl Parse for ScrollSnapAlign

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impl Parse for ScrollSnapType

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impl Parse for ScrollbarGutter

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impl Parse for TouchAction

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impl Parse for ColorPropertyValue

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impl Parse for ColorScheme

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impl Parse for MozFontSmoothingBackgroundColor

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impl Parse for NonNegativeFactor

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impl Parse for ZeroToOneFactor

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impl Parse for FontPalette

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impl Parse for FontVariantAlternates

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impl Parse for FontVariantEastAsian

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impl Parse for FontVariantLigatures

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impl Parse for FontVariantNumeric

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impl Parse for MozScriptMinSize

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impl Parse for MozScriptSizeMultiplier

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impl Parse for XLang

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impl Parse for OffsetRotate

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impl Parse for Percentage

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impl Parse for GridAutoFlow

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impl Parse for MasonryAutoFlow

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impl Parse for TemplateAreas

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impl Parse for TemplateAreasArc

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impl Parse for Resolution

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impl Parse for SourceSize

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impl Parse for Attr

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impl Parse for Integer

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impl Parse for Number

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impl Parse for Opacity

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impl Parse for MozContextProperties

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impl Parse for SVGPaintOrder

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impl Parse for SVGPathData

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impl Parse for TextDecorationLine

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impl Parse for TextEmphasisPosition

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impl Parse for TextOverflow

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impl Parse for TextTransform

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impl Parse for TextUnderlinePosition

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impl Parse for Time

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impl Parse for BoolInteger

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impl Parse for DashedIdent

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impl Parse for KeyframesName

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impl Parse for TimelineName

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impl Parse for InitialValue

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impl Parse for AnimationTimeline

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impl Parse for ViewTimelineInset

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impl Parse for BackgroundSize

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impl Parse for Circle

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impl Parse for ClipPath

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impl Parse for Ellipse

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impl Parse for InsetRect

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impl Parse for Polygon

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impl Parse for ShapeOutside

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impl Parse for BorderCornerRadius

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impl Parse for BorderImageSlice

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impl Parse for BorderRadius

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impl Parse for BorderSpacing

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impl Parse for ContainIntrinsicSize

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impl Parse for LineClamp

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impl Parse for VerticalAlign

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impl Parse for CaretColor

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impl Parse for Content

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impl Parse for CounterIncrement

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impl Parse for CounterReset

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impl Parse for CounterSet

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impl Parse for TimingFunction

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impl Parse for BoxShadow

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impl Parse for SimpleShadow

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impl Parse for Filter

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impl Parse for FontSizeAdjust

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impl Parse for SpecifiedFontStyle

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impl Parse for Gradient

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impl Parse for Image

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impl Parse for MaxSize

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impl Parse for NonNegativeLength

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impl Parse for NonNegativeLengthPercentage

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impl Parse for Size

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impl Parse for OffsetPath

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impl Parse for OffsetPathFunction

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impl Parse for RayFunction

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impl Parse for PageSize

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impl Parse for NonNegativePercentage

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impl Parse for AspectRatio

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impl Parse for Position

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impl Parse for Ratio

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impl Parse for SVGLength

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impl Parse for SVGStrokeDashArray

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impl Parse for SVGWidth

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impl Parse for InitialLetter

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impl Parse for LetterSpacing

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impl Parse for WordSpacing

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impl Parse for Rotate

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impl Parse for Scale

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impl Parse for Transform

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impl Parse for TransformOrigin

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impl Parse for Translate

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impl Parse for ClipRect

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impl Parse for GreaterThanOrEqualToOneNumber

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impl Parse for NonNegativeInteger

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impl Parse for NonNegativeNumber

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impl Parse for NonNegativeNumberOrPercentage

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impl Parse for PositiveInteger

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impl Parse for Cursor

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impl Parse for CursorImage

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impl Parse for ScrollbarColor

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impl<A, B> Parse for Either<A, B>where A: Parse, B: Parse,

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impl<C> Parse for GenericColorOrAuto<C>where C: Parse,

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impl<C> Parse for GenericSVGPaintFallback<C>where C: Parse,

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impl<C, U> Parse for GenericSVGPaintKind<C, U>where C: Parse, U: Parse,

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impl<C: Parse, U: Parse> Parse for SVGPaint<C, U>

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impl<H, V> Parse for GenericOffsetPosition<H, V>where H: Parse, V: Parse, GenericPosition<H, V>: Parse,

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impl<I> Parse for GenericZIndex<I>where I: Parse,

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impl<L> Parse for GenericTextDecorationLength<L>where L: Parse,

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impl<L, N> Parse for GenericLengthOrNumber<L, N>where L: Parse, N: Parse,

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impl<LP, N> Parse for GenericBorderImageSideWidth<LP, N>where LP: Parse, N: Parse,

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impl<LengthPercent> Parse for GenericLengthPercentageOrNormal<LengthPercent>where LengthPercent: Parse,

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impl<LengthPercentage: Parse> Parse for LengthPercentageOrAuto<LengthPercentage>

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impl<N, L> Parse for GenericLineHeight<N, L>where N: Parse, L: Parse,

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impl<NonNegativeLength> Parse for GenericPerspective<NonNegativeLength>where NonNegativeLength: Parse,

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impl<NonNegativeLengthPercentage> Parse for GenericShapeRadius<NonNegativeLengthPercentage>where NonNegativeLengthPercentage: Parse,

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impl<OpacityType> Parse for GenericSVGOpacity<OpacityType>where OpacityType: Parse,

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impl<Pos> Parse for GenericPositionOrAuto<Pos>where Pos: Parse,

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impl<PositiveInteger> Parse for ColumnCount<PositiveInteger>where PositiveInteger: Parse,

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impl<R> Parse for GenericClipRectOrAuto<R>where R: Parse,

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impl<S> Parse for GenericFlexBasis<S>where S: Parse,

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impl<S> Parse for OriginComponent<S>where S: Parse,

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impl<S: Parse> Parse for PositionComponent<S>

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impl<T> Parse for Optional<T>where T: Parse,

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impl<T> Parse for Rect<T>where T: Clone + Parse,

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impl<T: Parse> Parse for FontSettings<T>

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impl<U> Parse for GenericUrlOrNone<U>where U: Parse,