diff options
Diffstat (limited to 'vendor/github.com/hashicorp/go-multierror/flatten.go')
-rw-r--r-- | vendor/github.com/hashicorp/go-multierror/flatten.go | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-multierror/flatten.go b/vendor/github.com/hashicorp/go-multierror/flatten.go new file mode 100644 index 0000000..aab8e9a --- /dev/null +++ b/vendor/github.com/hashicorp/go-multierror/flatten.go | |||
@@ -0,0 +1,26 @@ | |||
1 | package multierror | ||
2 | |||
3 | // Flatten flattens the given error, merging any *Errors together into | ||
4 | // a single *Error. | ||
5 | func Flatten(err error) error { | ||
6 | // If it isn't an *Error, just return the error as-is | ||
7 | if _, ok := err.(*Error); !ok { | ||
8 | return err | ||
9 | } | ||
10 | |||
11 | // Otherwise, make the result and flatten away! | ||
12 | flatErr := new(Error) | ||
13 | flatten(err, flatErr) | ||
14 | return flatErr | ||
15 | } | ||
16 | |||
17 | func flatten(err error, flatErr *Error) { | ||
18 | switch err := err.(type) { | ||
19 | case *Error: | ||
20 | for _, e := range err.Errors { | ||
21 | flatten(e, flatErr) | ||
22 | } | ||
23 | default: | ||
24 | flatErr.Errors = append(flatErr.Errors, err) | ||
25 | } | ||
26 | } | ||