vendor/github.com/hashicorp/go-multierror/format.go

   1 package multierror
   2
   3 import (
   4         "fmt"
   5         "strings"
   6 )
   7
   8 // ErrorFormatFunc is a function callback that is called by Error to
   9 // turn the list of errors into a string.
  10 type ErrorFormatFunc func([]error) string
  11
  12 // ListFormatFunc is a basic formatter that outputs the number of errors
  13 // that occurred along with a bullet point list of the errors.
  14 func ListFormatFunc(es []error) string {
  15         points := make([]string, len(es))
  16         for i, err := range es {
  17                 points[i] = fmt.Sprintf("* %s", err)
  18         }
  19
  20         return fmt.Sprintf(
  21                 "%d error(s) occurred:\n\n%s",
  22                 len(es), strings.Join(points, "\n"))
  23 }