// Copyright 2017 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.

package gps

import (

"bytes"

"fmt"

)

type errorSlice []error

func (errs errorSlice) Error() string {

var buf bytes.Buffer

fmt.Fprintln(&buf)

for i, err := range errs {

fmt.Fprintf(&buf, "\t(%d) %s\n", i+1, err)

}

return buf.String()

}

func (errs errorSlice) Format(f fmt.State, c rune) {

fmt.Fprintln(f)

for i, err := range errs {

if ferr, ok := err.(fmt.Formatter); ok {

fmt.Fprintf(f, "\t(%d) ", i+1)

ferr.Format(f, c)

fmt.Fprint(f, "\n")

} else {

fmt.Fprintf(f, "\t(%d) %s\n", i+1, err)

}

}

}