def p_DefValPart(self, p):
if p[<NUM_LIT:1>] and p[<NUM_LIT:3>]:<EOL><INDENT>p[<NUM_LIT:0>] = (p[<NUM_LIT:1>], p[<NUM_LIT:3>])<EOL><DEDENT>
DefValPart : DEFVAL '{' Value '}'
                      | empty