css 0.0.22

A crate that uses the cssparser and selectors crates to provide a domain model for CSS Stylesheets. Intended to allow effective minification of CSS and CSS transformations such as autoprefixing and removal by other crates
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// 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 trait satisfied by the types corresponding to separators.
pub(crate) trait Separator
{
	/// The separator string that the satisfying separator type corresponds to.
	fn separator() -> &'static str;
	
	/// Parses a sequence of values separated by this separator.
	///
	/// The given closure is called repeatedly for each item in the sequence.
	///
	/// Successful results are accumulated in a vector.
	///
	/// This method returns `Err(_)` the first time a closure does or if the separators aren't correct.
	fn parse<'i, 't, F, T, E>(parser: &mut Parser<'i, 't>, parse_one: F) -> Result<Vec<T>, ParseError<'i, E>> where	F: for<'tt> FnMut(&mut Parser<'i, 'tt>) -> Result<T, ParseError<'i, E>>;
}