|  | // errorcheck | 
|  |  | 
|  | // Copyright 2019 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. | 
|  |  | 
|  | // Verify that we only get one error per invalid integer literal. | 
|  |  | 
|  | package p | 
|  |  | 
|  | const ( | 
|  | _ = 1_       // ERROR "'_' must separate successive digits" | 
|  | _ = 0b       // ERROR "binary literal has no digits|invalid numeric literal" | 
|  | _ = 0o       // ERROR "octal literal has no digits|invalid numeric literal" | 
|  | _ = 0x       // ERROR "hexadecimal literal has no digits|invalid numeric literal" | 
|  | _ = 0xde__ad // ERROR "'_' must separate successive digits" | 
|  | ) |