golang method 代码
文件路径：/src/cmd/vet/testdata/method/method.go
// Copyright 2010 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.
// This file contains the code to check canonical methods.
package method
import "fmt"
type MethodTest int
func (t *MethodTest) Scan(x fmt.ScanState, c byte) { // ERROR "should have signature Scan\(fmt\.ScanState, rune\) error"
}