Function serialize

packages/compiler/src/expression_parser/serializer.ts:12–14

(expression: expr.ASTWithSource)

/** Serializes the given AST into a normalized string format. */
export function serialize(expression: expr.ASTWithSource): string {
  return expression.visit(new SerializeExpressionVisitor());
}

class SerializeExpressionVisitor implements expr.AstVisitor {
  visitUnary(ast: expr.Unary, context: any): string {