OData requests and responses have schemas, so you definitely have assurances on the field types. You _do_ know that email is a string or array of strings. http:

OData requests and responses have schemas, so you definitely have assurances on the field types. You _do_ know that email is a string or array of strings. http://docs.oasis-open.org/odata/odata/v4.0/odata-v4.0-part3-csdl.html http://docs.oasis-open.org/odata/odata/v4.0/odata-v4.0-part3...