parameters: (t)
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(t):
      'expression : MINUS expression %prec UMINUS'
      t[0] = -t[2]
function_tokens: def p_expression_uminus ( t ) : t [ 0 ] = - t [ 2 ]