In plain java I\'d use:
public User(String name, String email) { this.name = name; this.email = f(email); this.admin = false; }
This will work in rails 4.
def initialize(params) super params[:name] = params[:name] + "xyz" write_attribute(:name, params[:name]) write_attribute(:some_other_field, "stuff") write_attribute(:email, params[:email]) write_attribute(:admin, false) end