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- package ezdb
- import (
- "errors"
- "strings"
- )
- // High-level EZ DB error.
- // These are not exhaustive and your chosen implementation of Collection may produce its own errors.
- var (
- ErrClosed = errors.New("collection is closed")
- ErrInvalidKey = errors.New("invalid key")
- ErrNotFound = errors.New("not found")
- ErrReleased = errors.New("iterator has been released")
- )
- // Errors collates one or more errors.
- // It is mainly used for testing.
- type Errors []error
- func (e Errors) Error() string {
- strs := []string{}
- for _, err := range e {
- strs = append(strs, err.Error())
- }
- return strings.Join(strs, "\n")
- }
- // Resolve a Errors to an error or nil, if it is empty.
- func (e Errors) Resolve() error {
- if len(e) > 0 {
- return e
- }
- return nil
- }
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