Method enter_declaration

crates/csskit_transform/src/reduce_lengths.rs:31–37

(
		&mut self,
		decl: &Declaration<'b, T, CssMetadata>,
		_query: VisitNode,
	)

	N: Visitable + NodeWithMetadata<CssMetadata>,
{
	fn enter_declaration<'b, T: DeclarationValue<'b, CssMetadata>>(
		&mut self,
		decl: &Declaration<'b, T, CssMetadata>,
		_query: VisitNode,
	) {
		self.unitless_zero_resolves.set(decl.metadata().unitless_zero_resolves);
	}

	fn exit_declaration<'b, T: DeclarationValue<'b, CssMetadata>>(
		&mut self,