diff options
Diffstat (limited to 'vendor/github.com/hashicorp/go-multierror/multierror.go')
-rw-r--r-- | vendor/github.com/hashicorp/go-multierror/multierror.go | 51 |
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 0000000..2ea0827 --- /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 implementatin 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 implementd only to +// satisfy the errwrap.Wrapper interface. +func (e *Error) WrappedErrors() []error { + return e.Errors +} |