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package mapstructure
import (
"errors"
"fmt"
"sort"
"strings"
)
// Error implements the error interface and can represents multiple
// errors that occur in the course of a single decode.
type Error struct {
Errors []string
}
func (e *Error) Error() string {
points := make([]string, len(e.Errors))
for i, err := range e.Errors {
points[i] = fmt.Sprintf("* %s", err)
}
sort.Strings(points)
return fmt.Sprintf(
"%d error(s) decoding:\n\n%s",
len(e.Errors), strings.Join(points, "\n"))
}
// WrappedErrors implements the errwrap.Wrapper interface to make this
// return value more useful with the errwrap and go-multierror libraries.
func (e *Error) WrappedErrors() []error {
if e == nil {
return nil
}
result := make([]error, len(e.Errors))
for i, e := range e.Errors {
result[i] = errors.New(e)
}
return result
}
func appendErrors(errors []string, err error) []string {
switch e := err.(type) {
case *Error:
return append(errors, e.Errors...)
default:
return append(errors, e.Error())
}
}
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