|  | // errorcheck | 
|  |  | 
|  | // Copyright 2014 The Go Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style | 
|  | // license that can be found in the LICENSE file. | 
|  |  | 
|  | // Issue 6671: Logical operators should produce untyped bool for untyped operands. | 
|  |  | 
|  | package p | 
|  |  | 
|  | type mybool bool | 
|  |  | 
|  | func _(x, y int) { | 
|  | type mybool bool | 
|  | var b mybool | 
|  | _ = b | 
|  | b = bool(true)             // ERROR "cannot use" | 
|  | b = true                   // permitted as expected | 
|  | b = bool(true) && true     // ERROR "cannot use" | 
|  | b = true && true           // permitted => && returns an untyped bool | 
|  | b = x < y                  // permitted => x < y returns an untyped bool | 
|  | b = true && x < y          // permitted => result of && returns untyped bool | 
|  | b = x < y && x < y         // permitted => result of && returns untyped bool | 
|  | b = x < y || x < y         // permitted => result of || returns untyped bool | 
|  | var c bool = true && x < y // permitted => result of && is bool | 
|  | c = false || x < y         // permitted => result of || returns untyped bool | 
|  | _ = c | 
|  | } |