package session func (s *Session) IsSetString(name string) bool { if _, ok := s.varlist.String[name]; ok { return true } else { return false } } func (s *Session) GetString(name string, def string) string { if v, ok := s.varlist.String[name]; ok { return v } else { return def } } func (s *Session) SetString(name string, value string) { isset := s.IsSetString(name) s.varlist.String[name] = value if isset || value != "" { s.changed = true } } func (s *Session) DelString(name string) { if s.IsSetString(name) { delete(s.varlist.String, name) s.changed = true } }