code: function resolve_scalar_value(nextql, value, valueQuery, info) {
  	if (value == undefined) {
  		set(info.result, info.path, null);
  		return Promise.resolve();
  	}
  
  	if (valueQuery !== 1) {
  		const keylen = Object.keys(valueQuery).length;
  		const queryAsObject = valueQuery.$params ? keylen > 1 : keylen > 0;
  		if (queryAsObject) {
  			return Promise.reject(
  				new NextQLError("Cannot query scalar as object", info)
  			);
  		}
  	}
  
  	if (isPrimitive(value)) {
  		set(info.result, info.path, value);
  		return Promise.resolve();
  	}
  
  	// non-primitive value as scalar, not good solution yet
  	try {
  		set(info.result, info.path, JSON.parse(JSON.stringify(value)));
  		return Promise.resolve();
  	} catch (e) {
  		return Promise.reject(
  			new NextQLError("Cannot serialize return value", info)
  		);
  	}
  }
docs: Given value and valueQuery; resolve value as a scalar
  @param {*} nextql
  @param {*} value
  @param {*} valueQuery
  @param {*} info