css 0.0.22

// This file is part of css. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT. No part of predicator, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2017 The developers of css. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT.


/// A @font-feature-values block declaration.
/// It is `<ident>: <integer>+`.
/// This struct can take 3 value types.
/// - `SingleValue` is to keep just one unsigned integer value.
/// - `PairValues` is to keep one or two unsigned integer values.
/// - `VectorValues` is to keep a list of unsigned integer values.
#[derive(Clone, Debug, PartialEq)]
pub struct FontFeatureValuesDeclaration<T: ToCss>
{
	/// An `<ident>` for declaration name.
	pub name: Atom,
	
	/// An `<integer>+` for declaration value.
	pub value: T,
}

impl<T: ToCss> ToCss for FontFeatureValuesDeclaration<T>
{
	#[inline(always)]
	fn to_css<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result
	{
		self.to_css_without_trailing_semicolon(dest)?;
		dest.write_char(';')
	}
}

impl<T: ToCss> FontFeatureValuesDeclaration<T>
{
	#[inline(always)]
	fn to_css_without_trailing_semicolon<W: fmt::Write>(&self, dest: &mut W) -> fmt::Result
	{
		self.name.to_css(dest)?;
		dest.write_char(':')?;
		self.value.to_css(dest)
	}
}