parameters: (self, p)
docstring: expression : MINUS expression %prec UMINUS
docstring_summary: expression : MINUS expression %prec UMINUS
docstring_tokens: expression : MINUS expression %prec UMINUS
function: def p_expression_uminus(self, p):
          'expression : MINUS expression %prec UMINUS'
          p[0] = -p[2]
function_tokens: def p_expression_uminus ( self , p ) : p [ 0 ] = - p [ 2 ]