better document purpose of Identifier
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@ -105,6 +105,11 @@ impl ListSeparator {
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}
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}
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}
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}
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/// In Sass, underscores and hyphens are considered equal
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/// when inside identifiers.
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///
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/// This struct protects that invariant by normalizing all
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/// underscores into hypens.
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#[derive(Debug, Clone, Eq, PartialEq, Hash)]
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#[derive(Debug, Clone, Eq, PartialEq, Hash)]
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pub(crate) struct Identifier(String);
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pub(crate) struct Identifier(String);
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