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authorNiall Sheridan <nsheridan@gmail.com>2016-05-29 14:46:06 +0100
committerNiall Sheridan <nsheridan@gmail.com>2016-05-29 14:46:06 +0100
commit1a16ff15b87a10b2e7359ba53104ed4bd9fef9e8 (patch)
tree1f6ea2155189713110bf05dc62af4a560152917c /vendor/github.com/hashicorp/go-multierror/append.go
parent2d76d6028d75dda1d239d228d47679b5b35ee1e1 (diff)
parent46ec48845704b54d395727441edc049b009da774 (diff)
Merge pull request #10 from nsheridan/hcl
Switch from json to hcl configs
Diffstat (limited to 'vendor/github.com/hashicorp/go-multierror/append.go')
-rw-r--r--vendor/github.com/hashicorp/go-multierror/append.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/go-multierror/append.go b/vendor/github.com/hashicorp/go-multierror/append.go
new file mode 100644
index 0000000..00afa9b
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-multierror/append.go
@@ -0,0 +1,37 @@
+package multierror
+
+// Append is a helper function that will append more errors
+// onto an Error in order to create a larger multi-error.
+//
+// If err is not a multierror.Error, then it will be turned into
+// one. If any of the errs are multierr.Error, they will be flattened
+// one level into err.
+func Append(err error, errs ...error) *Error {
+ switch err := err.(type) {
+ case *Error:
+ // Typed nils can reach here, so initialize if we are nil
+ if err == nil {
+ err = new(Error)
+ }
+
+ // Go through each error and flatten
+ for _, e := range errs {
+ switch e := e.(type) {
+ case *Error:
+ err.Errors = append(err.Errors, e.Errors...)
+ default:
+ err.Errors = append(err.Errors, e)
+ }
+ }
+
+ return err
+ default:
+ newErrs := make([]error, 0, len(errs)+1)
+ if err != nil {
+ newErrs = append(newErrs, err)
+ }
+ newErrs = append(newErrs, errs...)
+
+ return Append(&Error{}, newErrs...)
+ }
+}