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authorMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
committerMatthew Heon <matthew.heon@gmail.com>2017-11-01 11:24:59 -0400
commita031b83a09a8628435317a03f199cdc18b78262f (patch)
treebc017a96769ce6de33745b8b0b1304ccf38e9df0 /vendor/github.com/hashicorp/go-multierror/multierror.go
parent2b74391cd5281f6fdf391ff8ad50fd1490f6bf89 (diff)
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Initial checkin from CRI-O repo
Signed-off-by: Matthew Heon <matthew.heon@gmail.com>
Diffstat (limited to 'vendor/github.com/hashicorp/go-multierror/multierror.go')
-rw-r--r--vendor/github.com/hashicorp/go-multierror/multierror.go51
1 files changed, 51 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-multierror/multierror.go b/vendor/github.com/hashicorp/go-multierror/multierror.go
new file mode 100644
index 000000000..89b1422d1
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/multierror.go
@@ -0,0 +1,51 @@
+package multierror
+
+import (
+ "fmt"
+)
+
+// Error is an error type to track multiple errors. This is used to
+// accumulate errors in cases and return them as a single "error".
+type Error struct {
+ Errors []error
+ ErrorFormat ErrorFormatFunc
+}
+
+func (e *Error) Error() string {
+ fn := e.ErrorFormat
+ if fn == nil {
+ fn = ListFormatFunc
+ }
+
+ return fn(e.Errors)
+}
+
+// ErrorOrNil returns an error interface if this Error represents
+// a list of errors, or returns nil if the list of errors is empty. This
+// function is useful at the end of accumulation to make sure that the value
+// returned represents the existence of errors.
+func (e *Error) ErrorOrNil() error {
+ if e == nil {
+ return nil
+ }
+ if len(e.Errors) == 0 {
+ return nil
+ }
+
+ return e
+}
+
+func (e *Error) GoString() string {
+ return fmt.Sprintf("*%#v", *e)
+}
+
+// WrappedErrors returns the list of errors that this Error is wrapping.
+// It is an implementation of the errwrap.Wrapper interface so that
+// multierror.Error can be used with that library.
+//
+// This method is not safe to be called concurrently and is no different
+// than accessing the Errors field directly. It is implemented only to
+// satisfy the errwrap.Wrapper interface.
+func (e *Error) WrappedErrors() []error {
+ return e.Errors
+}