utility to format a set of attributes into an error message string
A key value record set
a human-readable serialization of the set
// returns "foo=value bar=(list, item)"serializeAttrs({ foo: "value", bar: ["list", "item"] }) Copy
// returns "foo=value bar=(list, item)"serializeAttrs({ foo: "value", bar: ["list", "item"] })
utility to format a set of attributes into an error message string