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Merge pull request #23577 from anusha-ragunathan/strings_conversion

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Avoid back and forth conversion between strings and bytes.
Upstream-commit: c18e036d36be09f5144ac99266a2b525cb79ce78
Component: engine
This commit is contained in:
Alexander Morozov
2016-06-15 21:41:04 -07:00
committed by GitHub
parent fc28f1b8ca c6bff6e7a4
commit c6395cdf74
1 changed files with 8 additions and 9 deletions
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17
components/engine/cli/error.go
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@@ -1,21 +1,20 @@
package cli
import "bytes"
import "strings"
// Errors is a list of errors.
// Useful in a loop if you don't want to return the error right away and you want to display after the loop,
// all the errors that happened during the loop.
type Errors []error
func (errs Errors) Error() string {
if len(errs) < 1 {
func (errList Errors) Error() string {
if len(errList) < 1 {
return ""
}
var buf bytes.Buffer
buf.WriteString(errs[0].Error())
for _, err := range errs[1:] {
buf.WriteString(", ")
buf.WriteString(err.Error())
out := make([]string, len(errList))
for i := range errList {
out[i] = errList[i].Error()
}
return buf.String()
return strings.Join(out, ", ")
}